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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 (
    3826, 3597, 2356, 3932, 3939, 3358, 3821, 
    3985, 3937, 3986
  ) 
  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(351, f.categories_path) 
    OR FIND_IN_SET(401, f.categories_path) 
    OR FIND_IN_SET(446, 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 0.00389

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "85.08"
    },
    "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": 136,
            "rows_produced_per_join": 44,
            "filtered": "32.52",
            "index_condition": "(((`softwarepirmam_hewadelivard_cscart_4`.`v`.`product_id` in (3826,3597,2356,3932,3939,3358,3821,3985,3937,3986)) and (`softwarepirmam_hewadelivard_cscart_4`.`v`.`lang_code` = 'en')) and (`softwarepirmam_hewadelivard_cscart_4`.`v`.`feature_id` is not null))",
            "cost_info": {
              "read_cost": "59.29",
              "eval_cost": "4.42",
              "prefix_cost": "63.71",
              "data_read_per_join": "34K"
            },
            "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"
            ],
            "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": 4,
            "filtered": "9.53",
            "cost_info": {
              "read_cost": "11.06",
              "eval_cost": "0.42",
              "prefix_cost": "79.19",
              "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(351,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(401,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(446,`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": 4,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.05",
              "eval_cost": "0.42",
              "prefix_cost": "80.66",
              "data_read_per_join": "9K"
            },
            "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": 4,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.05",
              "eval_cost": "0.42",
              "prefix_cost": "82.14",
              "data_read_per_join": "4K"
            },
            "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": 4,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.05",
              "eval_cost": "0.42",
              "prefix_cost": "83.61",
              "data_read_per_join": "12K"
            },
            "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": 4,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "1.05",
              "eval_cost": "0.42",
              "prefix_cost": "85.09",
              "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
2356	657		1666	E	Brand	Xiaomi	0
3986	657		4904	E	Brand	Huntkey	0
3985	657		4904	E	Brand	Huntkey	0
3826	657		3961	E	Brand	Baykron	0
3358	657		3933	E	Brand	Belkin	0
3939	657		4904	E	Brand	Huntkey	0
3821	657		3961	E	Brand	Baykron	0
3597	657		3933	E	Brand	Belkin	0
3937	657		4904	E	Brand	Huntkey	0
3932	657		4904	E	Brand	Huntkey	0
3826	654		4768	S	Charging Type	Plug-in Adapter	120
3821	654		4768	S	Charging Type	Plug-in Adapter	120
3597	656		1559	S	Color	white	160
3826	656		1559	S	Color	white	160
3932	656		1559	S	Color	white	160
3821	656		1560	S	Color	Black	160
3937	656		1559	S	Color	white	160
3939	656		1559	S	Color	white	160
3985	656		1559	S	Color	white	160
3358	656		1559	S	Color	white	160
3986	656		1559	S	Color	white	160
2356	656		1559	S	Color	white	160
3826	683		4769	S	Input	100-250V	310
3821	683	100.00	4769	S	Input	100-250V	310
3986	695		2736	S	Max Load Capacity	10 A / 2,500 W	0
2356	695		2736	S	Max Load Capacity	10 A / 2,500 W	0
3985	695		4953	S	Max Load Capacity	13 A / 3,250 W	0
3932	695		2736	S	Max Load Capacity	10 A / 2,500 W	0
3597	695		4645	S	Max Load Capacity	3A / 18W	0
3939	695		2736	S	Max Load Capacity	10 A / 2,500 W	0
3937	695		2736	S	Max Load Capacity	10 A / 2,500 W	0
3358	695		4605	S	Max Load Capacity	15 A / 1,875 W	0
3821	684	12.00	4770	S	Output	12W	320
3597	645		4437	S	Ports	4 × AC outlets, 1 × USB-A port, 1 × USB-C port	110
3986	645		4907	S	Ports	5 x Universal AC outlets	110
3358	645		3828	S	Ports	4 AC outlets, 2 USB-A ports.	110
3985	645		4954	S	Ports	4 × UK standard AC outlets, 2 × USB-A ports (total output: 5 V ⎓ 2.4 A)	110
3939	645		4907	S	Ports	5 x Universal AC outlets	110
3937	645		4905	S	Ports	6 x Universal AC outlets	110
3821	645		3495	S	Ports	2 x USB-A	110
3932	645		4907	S	Ports	5 x Universal AC outlets	110
2356	645		2735	S	Ports	3 × international combination sockets (10 A max), 3 × USB-A (5 V ⎓ total 3.1 A, 1 port up to 2.1 A quick charge)	110
3939	666		4894	S	Power Support	220–240 V AC, 50/60 Hz	250
3937	666		4894	S	Power Support	220–240 V AC, 50/60 Hz	250
3597	666	100.00	4646	S	Power Support	100–240 V AC, 50/60 Hz	250
3358	666	220.00	4606	S	Power Support	220–240 V AC, 50/60 Hz	250
3985	666	250.00	4955	S	Power Support	250 V AC, 50 Hz (rated at 250 VAC, 50 Hz)	250
3932	666	220.00	4894	S	Power Support	220–240 V AC, 50/60 Hz	250
2356	666		2738	S	Power Support	220 – 240 V AC, 50/60 Hz	250