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SELECT 
  v.product_id, 
  v.feature_id, 
  v.value, 
  v.value_int, 
  v.variant_id, 
  f.feature_type, 
  fd.description, 
  fd.prefix, 
  fd.suffix, 
  vd.variant, 
  f.parent_id, 
  f.position, 
  gf.position as gposition 
FROM 
  cscart_product_features as f 
  LEFT JOIN cscart_product_features_values as v ON v.feature_id = f.feature_id 
  LEFT JOIN cscart_product_features_descriptions as fd ON fd.feature_id = v.feature_id 
  AND fd.lang_code = 'en' 
  LEFT JOIN cscart_product_feature_variants fv ON fv.variant_id = v.variant_id 
  LEFT JOIN cscart_product_feature_variant_descriptions as vd ON vd.variant_id = fv.variant_id 
  AND vd.lang_code = 'en' 
  LEFT JOIN cscart_product_features as gf ON gf.feature_id = f.parent_id 
  AND gf.feature_type = 'G' 
WHERE 
  f.status IN ('A') 
  AND v.product_id in (5247, 4762, 5246, 5931) 
  AND f.display_on_catalog = 'Y' 
  AND (
    f.categories_path = '' 
    OR FIND_IN_SET(166, f.categories_path) 
    OR FIND_IN_SET(250, f.categories_path) 
    OR FIND_IN_SET(328, f.categories_path) 
    OR FIND_IN_SET(359, f.categories_path) 
    OR FIND_IN_SET(361, f.categories_path) 
    OR FIND_IN_SET(402, f.categories_path) 
    OR FIND_IN_SET(407, f.categories_path) 
    OR FIND_IN_SET(413, f.categories_path)
  ) 
  AND IF(
    f.parent_id, 
    (
      SELECT 
        status 
      FROM 
        cscart_product_features as df 
      WHERE 
        df.feature_id = f.parent_id
    ), 
    'A'
  ) IN ('A') 
  AND (
    v.variant_id != 0 
    OR (
      f.feature_type != 'C' 
      AND v.value != ''
    ) 
    OR (f.feature_type = 'C') 
    OR v.value_int != ''
  ) 
  AND v.lang_code = 'en' 
ORDER BY 
  fd.description, 
  fv.position

Query time 0.00337

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "64.76"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "nested_loop": [
        {
          "table": {
            "table_name": "v",
            "access_type": "range",
            "possible_keys": [
              "PRIMARY",
              "fl",
              "variant_id",
              "lang_code",
              "product_id",
              "fpl",
              "idx_product_feature_variant_id"
            ],
            "key": "idx_product_feature_variant_id",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "rows_examined_per_scan": 105,
            "rows_produced_per_join": 34,
            "filtered": "32.52",
            "index_condition": "(((`softwarepirmam_hewadelivard_cscart_4`.`v`.`product_id` in (5247,4762,5246,5931)) and (`softwarepirmam_hewadelivard_cscart_4`.`v`.`lang_code` = 'en')) and (`softwarepirmam_hewadelivard_cscart_4`.`v`.`feature_id` is not null))",
            "cost_info": {
              "read_cost": "44.85",
              "eval_cost": "3.41",
              "prefix_cost": "48.26",
              "data_read_per_join": "26K"
            },
            "used_columns": [
              "feature_id",
              "product_id",
              "variant_id",
              "value",
              "value_int",
              "lang_code"
            ]
          }
        },
        {
          "table": {
            "table_name": "f",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY",
              "status"
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            "key": "PRIMARY",
            "used_key_parts": [
              "feature_id"
            ],
            "key_length": "3",
            "ref": [
              "softwarepirmam_hewadelivard_cscart_4.v.feature_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "9.53",
            "cost_info": {
              "read_cost": "8.54",
              "eval_cost": "0.33",
              "prefix_cost": "60.21",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "feature_id",
              "feature_type",
              "categories_path",
              "parent_id",
              "display_on_catalog",
              "status",
              "position"
            ],
            "attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`f`.`status` = 'A') and (`softwarepirmam_hewadelivard_cscart_4`.`f`.`display_on_catalog` = 'Y') and ((`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path` = '') or (0 <> find_in_set(166,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(250,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(328,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(359,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(361,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(402,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(407,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(413,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`))) and (if(`softwarepirmam_hewadelivard_cscart_4`.`f`.`parent_id`,(/* select#2 */ select `softwarepirmam_hewadelivard_cscart_4`.`df`.`status` from `softwarepirmam_hewadelivard_cscart_4`.`cscart_product_features` `df` where (`softwarepirmam_hewadelivard_cscart_4`.`df`.`feature_id` = `softwarepirmam_hewadelivard_cscart_4`.`f`.`parent_id`)),'A') = 'A') and ((`softwarepirmam_hewadelivard_cscart_4`.`v`.`variant_id` <> 0) or ((`softwarepirmam_hewadelivard_cscart_4`.`f`.`feature_type` <> 'C') and (`softwarepirmam_hewadelivard_cscart_4`.`v`.`value` <> '')) or (`softwarepirmam_hewadelivard_cscart_4`.`f`.`feature_type` = 'C') or (`softwarepirmam_hewadelivard_cscart_4`.`v`.`value_int` <> 0)))",
            "attached_subqueries": [
              {
                "dependent": true,
                "cacheable": false,
                "query_block": {
                  "select_id": 2,
                  "cost_info": {
                    "query_cost": "0.35"
                  },
                  "table": {
                    "table_name": "df",
                    "access_type": "eq_ref",
                    "possible_keys": [
                      "PRIMARY"
                    ],
                    "key": "PRIMARY",
                    "used_key_parts": [
                      "feature_id"
                    ],
                    "key_length": "3",
                    "ref": [
                      "softwarepirmam_hewadelivard_cscart_4.f.parent_id"
                    ],
                    "rows_examined_per_scan": 1,
                    "rows_produced_per_join": 1,
                    "filtered": "100.00",
                    "cost_info": {
                      "read_cost": "0.25",
                      "eval_cost": "0.10",
                      "prefix_cost": "0.35",
                      "data_read_per_join": "440"
                    },
                    "used_columns": [
                      "feature_id",
                      "status"
                    ]
                  }
                }
              }
            ]
          }
        },
        {
          "table": {
            "table_name": "fd",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "feature_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "softwarepirmam_hewadelivard_cscart_4.v.feature_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.81",
              "eval_cost": "0.33",
              "prefix_cost": "61.35",
              "data_read_per_join": "7K"
            },
            "used_columns": [
              "feature_id",
              "description",
              "prefix",
              "suffix",
              "lang_code"
            ]
          }
        },
        {
          "table": {
            "table_name": "fv",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id"
            ],
            "key_length": "3",
            "ref": [
              "softwarepirmam_hewadelivard_cscart_4.v.variant_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.81",
              "eval_cost": "0.33",
              "prefix_cost": "62.49",
              "data_read_per_join": "3K"
            },
            "used_columns": [
              "variant_id",
              "position"
            ]
          }
        },
        {
          "table": {
            "table_name": "vd",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "variant_id",
              "lang_code"
            ],
            "key_length": "9",
            "ref": [
              "softwarepirmam_hewadelivard_cscart_4.fv.variant_id",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "100.00",
            "cost_info": {
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              "eval_cost": "0.33",
              "prefix_cost": "63.62",
              "data_read_per_join": "9K"
            },
            "used_columns": [
              "variant_id",
              "variant",
              "lang_code"
            ]
          }
        },
        {
          "table": {
            "table_name": "gf",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "feature_id"
            ],
            "key_length": "3",
            "ref": [
              "softwarepirmam_hewadelivard_cscart_4.f.parent_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 3,
            "filtered": "100.00",
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              "prefix_cost": "64.76",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "feature_id",
              "feature_type",
              "position"
            ],
            "attached_condition": "<if>(is_not_null_compl(gf), (`softwarepirmam_hewadelivard_cscart_4`.`gf`.`feature_type` = 'G'), true)"
          }
        }
      ]
    }
  }
}

Result

product_id	feature_id	value_int	variant_id	feature_type	description	variant	position
5931	667	0.00	7642	S	Antenna Type	External antennas via 2 × RP-SMA	260
4762	667	2.00	5975	S	Antenna Type	2×2 MIMO built-in antennas	260
5247	667	0.00	6782	S	Antenna Type	build in smart antennas	260
5246	667	0.00	6770	S	Antenna Type	Internal directional super antenna plus two external omni antennas	260
4762	657		4743	E	Brand	Ubiquiti	0
5931	657		7483	E	Brand	MIKROTIK	0
5246	657		4743	E	Brand	Ubiquiti	0
5247	657		4743	E	Brand	Ubiquiti	0
5931	656		1559	S	Color	white	160
4762	664	5.00	5972	S	Frequency Bands	5 GHz	230
5931	664	5.00	7639	S	Frequency Bands	5 GHz only	230
5247	664	2.40	6779	S	Frequency Bands	2.4 GHz (up to 300 Mbps), 5 GHz (up to 867 Mbps)	230
5246	664	0.00	6767	S	Frequency Bands	Dual-band 2.4 GHz and 5 GHz	230
5931	669	0.00	7643	S	Maximum Device Rate	Up to 300 Mbps	280
5247	669	0.00	6784	S	Maximum Device Rate	Total throughput up to 1167 Mbps (300 Mbps on 2.4 GHz + 867 Mbps on 5 GHz)	280
5246	669	0.00	6772	S	Maximum Device Rate	Up to ~4.3 Gbps on 5 GHz and ~688 Mbps on 2.4 GHz	280
4762	669	0.00	5977	S	Maximum Device Rate	Up to 450+ Mbps real TCP/IP throughput	280
5246	668	250.00	6771	S	Maximum User Capacity	250+ concurrent clients	270
5247	668	0.00	6783	S	Maximum User Capacity	Supports over 150 concurrent clients	270
4762	668	0.00	5976	S	Maximum User Capacity	Up to 100 clients (typical)	270
4762	663	0.00	5971	S	Mounting Options	Pole mount, wall mount	220
5247	663	0.00	6778	S	Mounting Options	Wall, pole, or fast-mount (all accessories included)	220
5246	663	0.00	6766	S	Mounting Options	Wall and pole mounting (hardware included)	220
5931	663	0.00	7638	S	Mounting Options	Wall, Pole, DIN Rail	220
5246	665	1.00	6768	S	Network Ports	1 × 1/2.5 GbE RJ-45 (PoE+ uplink)	240
5247	665	1.00	6780	S	Network Ports	1 × Gigabit Ethernet (10/100/1000)	240
5931	665	1.00	7640	S	Network Ports	1 × Gigabit Ethernet (RJ45)	240
4762	665	1.00	5973	S	Network Ports	1 × GE (RJ45)	240
5246	666	0.00	6769	S	Power Support	PoE+ (42.5–57 V DC)	250
5931	666	0.00	7641	S	Power Support	Passive PoE (8–30 V DC)	250
4762	666	0.00	5974	S	Power Support	Passive PoE (24 V)	250
5247	666	24.00	6781	S	Power Support	24V Passive PoE or 802.3af PoE (44–57V DC)	250
5931	662		7628	S	Wi-Fi Standard	Wi-Fi 4 (802.11a/n)	210
5246	662	0.00	6765	S	Wi-Fi Standard	Wi-Fi 7 (802.11be), backward compatible with 802.11ax/ac/n	210
5247	662	802.11	6777	S	Wi-Fi Standard	802.11ac (Wi-Fi 5), dual-band	210
4762	662	0.00	5970	S	Wi-Fi Standard	airMAX AC (5 GHz, 802.11ac)	210