SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    11501, 11330, 11401, 11496, 11540, 11543, 
    11228, 11459, 11546, 11511, 11011, 
    11567, 11432, 11547, 11373, 11333, 
    11000, 11482, 11154, 11557, 11212, 
    11568, 11464, 11549
  )

Query time 0.00077

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "33.61"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 24,
          "rows_produced_per_join": 24,
          "filtered": "100.00",
          "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`p`.`product_id` in (11501,11330,11401,11496,11540,11543,11228,11459,11546,11511,11011,11567,11432,11547,11373,11333,11000,11482,11154,11557,11212,11568,11464,11549))",
          "cost_info": {
            "read_cost": "14.41",
            "eval_cost": "2.40",
            "prefix_cost": "16.81",
            "data_read_per_join": "384"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "softwarepirmam_hewadelivard_cscart_4.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 24,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "6.00",
            "eval_cost": "2.40",
            "prefix_cost": "25.21",
            "data_read_per_join": "9K"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": [
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "softwarepirmam_hewadelivard_cscart_4.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 24,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "6.00",
            "eval_cost": "2.40",
            "prefix_cost": "33.61",
            "data_read_per_join": "2K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}

Result

feature_id purpose product_id parent_product_id id code
656 group_variation_catalog_item 11011 0 1053 PV-9CB4F86EF
779 group_variation_catalog_item 11011 0 1053 PV-9CB4F86EF
656 group_variation_catalog_item 11228 0 1086 PV-D2D43106A
779 group_variation_catalog_item 11228 0 1086 PV-D2D43106A
656 group_variation_catalog_item 11330 0 1103 PV-7EE99DD6E
779 group_variation_catalog_item 11330 0 1103 PV-7EE99DD6E
656 group_variation_catalog_item 11333 0 1104 PV-3537A607E
779 group_variation_catalog_item 11333 0 1104 PV-3537A607E
656 group_variation_catalog_item 11373 0 1122 PV-DF2163CF0
779 group_variation_catalog_item 11373 0 1122 PV-DF2163CF0
656 group_variation_catalog_item 11401 0 1129 PV-362CB938F
779 group_variation_catalog_item 11401 0 1129 PV-362CB938F
656 group_variation_catalog_item 11432 0 1139 PV-8387E07DC
779 group_variation_catalog_item 11432 0 1139 PV-8387E07DC
656 group_variation_catalog_item 11459 0 1146 PV-72D1EB14B
779 group_variation_catalog_item 11459 0 1146 PV-72D1EB14B
656 group_variation_catalog_item 11464 0 1148 PV-A7F51BF66
779 group_variation_catalog_item 11464 0 1148 PV-A7F51BF66
771 group_variation_catalog_item 11482 0 1155 PV-176EF7673
656 group_variation_catalog_item 11482 0 1155 PV-176EF7673
779 group_variation_catalog_item 11482 0 1155 PV-176EF7673
771 group_variation_catalog_item 11496 0 1159 PV-9A8CEEE78
656 group_variation_catalog_item 11496 0 1159 PV-9A8CEEE78
779 group_variation_catalog_item 11496 0 1159 PV-9A8CEEE78
771 group_variation_catalog_item 11501 0 1160 PV-D8CE83306
656 group_variation_catalog_item 11501 0 1160 PV-D8CE83306
779 group_variation_catalog_item 11501 0 1160 PV-D8CE83306
771 group_variation_catalog_item 11511 0 1163 PV-FB08FC7A4
656 group_variation_catalog_item 11511 0 1163 PV-FB08FC7A4
779 group_variation_catalog_item 11511 0 1163 PV-FB08FC7A4
771 group_variation_catalog_item 11540 0 1173 PV-71F720AF2
656 group_variation_catalog_item 11540 0 1173 PV-71F720AF2
779 group_variation_catalog_item 11540 0 1173 PV-71F720AF2
771 group_variation_catalog_item 11546 0 1174 PV-7FE9C0CB9
656 group_variation_catalog_item 11546 0 1174 PV-7FE9C0CB9
779 group_variation_catalog_item 11546 0 1174 PV-7FE9C0CB9
656 group_variation_catalog_item 11547 0 1175 PV-FC055C8EC
779 group_variation_catalog_item 11547 0 1175 PV-FC055C8EC
656 group_variation_catalog_item 11549 0 1176 PV-BB7396F67
779 group_variation_catalog_item 11549 0 1176 PV-BB7396F67
656 group_variation_catalog_item 11557 0 1178 PV-FE3266160
779 group_variation_catalog_item 11557 0 1178 PV-FE3266160
771 group_variation_catalog_item 11568 0 1180 PV-DAB497B21
656 group_variation_catalog_item 11568 0 1180 PV-DAB497B21
779 group_variation_catalog_item 11568 0 1180 PV-DAB497B21