Sandbox

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 (
    9460, 9464, 9489, 9491, 9492, 9493, 9495, 
    9507, 9509, 9556, 9579, 9581, 9583, 
    9584, 9586, 9693, 9760, 9769, 9803, 
    9848, 9855, 9980, 9985, 9989
  ) 
  AND f.display_on_catalog = 'Y' 
  AND (
    f.categories_path = '' 
    OR FIND_IN_SET(577, f.categories_path) 
    OR FIND_IN_SET(621, f.categories_path) 
    OR FIND_IN_SET(622, 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 0.00310

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "93.44"
    },
    "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": "product_id",
            "used_key_parts": [
              "product_id"
            ],
            "key_length": "3",
            "rows_examined_per_scan": 144,
            "rows_produced_per_join": 46,
            "filtered": "32.52",
            "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`v`.`product_id` in (9460,9464,9489,9491,9492,9493,9495,9507,9509,9556,9579,9581,9583,9584,9586,9693,9760,9769,9803,9848,9855,9980,9985,9989))",
            "cost_info": {
              "read_cost": "66.13",
              "eval_cost": "4.68",
              "prefix_cost": "70.81",
              "data_read_per_join": "36K"
            },
            "used_columns": [
              "feature_id",
              "product_id",
              "variant_id",
              "value",
              "value_int",
              "lang_code"
            ],
            "attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`v`.`lang_code` = 'en') and (`softwarepirmam_hewadelivard_cscart_4`.`v`.`feature_id` is not null))"
          }
        },
        {
          "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": "11.71",
              "eval_cost": "0.45",
              "prefix_cost": "87.20",
              "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(577,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(621,`softwarepirmam_hewadelivard_cscart_4`.`f`.`categories_path`)) or (0 <> find_in_set(622,`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": "1.12",
              "eval_cost": "0.45",
              "prefix_cost": "88.76",
              "data_read_per_join": "10K"
            },
            "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": "1.12",
              "eval_cost": "0.45",
              "prefix_cost": "90.32",
              "data_read_per_join": "5K"
            },
            "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": "1.12",
              "eval_cost": "0.45",
              "prefix_cost": "91.88",
              "data_read_per_join": "13K"
            },
            "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": "1.12",
              "eval_cost": "0.45",
              "prefix_cost": "93.44",
              "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	variant_id	feature_type	description	variant	position
9509	657	9034	E	Brand	Dunhill	0
9760	657	8978	E	Brand	Emmanuelle Jane	0
9693	657	8616	E	Brand	Mercedes Benz	0
9586	657	8616	E	Brand	Mercedes Benz	0
9769	657	8989	E	Brand	Ferrari	0
9584	657	8616	E	Brand	Mercedes Benz	0
9583	657	8616	E	Brand	Mercedes Benz	0
9803	657	8785	E	Brand	Gucci	0
9581	657	8616	E	Brand	Mercedes Benz	0
9579	657	8616	E	Brand	Mercedes Benz	0
9848	657	8356	E	Brand	Hugo Boss	0
9556	657	8980	E	Brand	Mont Blanc	0
9855	657	8356	E	Brand	Hugo Boss	0
9507	657	9034	E	Brand	Dunhill	0
9985	657	8704	E	Brand	Lacoste	0
9460	657	8980	E	Brand	Mont Blanc	0
9464	657	8980	E	Brand	Mont Blanc	0
9989	657	8704	E	Brand	Lacoste	0
9489	657	8358	E	Brand	Dolce & Gabbana	0
9491	657	8358	E	Brand	Dolce & Gabbana	0
9492	657	8358	E	Brand	Dolce & Gabbana	0
9493	657	8358	E	Brand	Dolce & Gabbana	0
9980	657	8704	E	Brand	Lacoste	0
9495	657	9034	E	Brand	Dunhill	0
9803	682	8701	S	Capacity	90ml	300
9980	682	8656	S	Capacity	100ml	300
9855	682	8656	S	Capacity	100ml	300
9769	682	8658	S	Capacity	125ml	300
9985	682	8656	S	Capacity	100ml	300
9848	682	8656	S	Capacity	100ml	300
9760	682	8656	S	Capacity	100ml	300
9989	682	8703	S	Capacity	50ml	300
9693	682	8773	S	Capacity	120ml	300
9586	682	8656	S	Capacity	100ml	300
9584	682	8656	S	Capacity	100ml	300
9583	682	8656	S	Capacity	100ml	300
9581	682	8656	S	Capacity	100ml	300
9579	682	8656	S	Capacity	100ml	300
9556	682	8658	S	Capacity	125ml	300
9509	682	8656	S	Capacity	100ml	300
9507	682	8656	S	Capacity	100ml	300
9495	682	8656	S	Capacity	100ml	300
9493	682	8656	S	Capacity	100ml	300
9492	682	8656	S	Capacity	100ml	300
9491	682	8658	S	Capacity	125ml	300
9489	682	8658	S	Capacity	125ml	300
9464	682	8656	S	Capacity	100ml	300
9460	682	8659	S	Capacity	75ml	300