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 (
    1, 228, 8, 9, 5290, 10, 8483, 2892, 71, 
    2896, 2902, 4, 2359, 1532, 2906, 5271, 
    6340, 8499, 8502, 5851, 8501, 4974, 
    5277, 2459, 5640, 5284, 5376, 5287, 
    5281, 5397, 4995, 5270, 2901, 5278, 
    5187, 5549, 5235, 1528, 2776, 2432, 
    2771, 4992, 5661, 2774, 5207, 2455, 
    5737, 6385, 5186, 1517, 5008, 5272, 
    4991, 2438, 5276, 8498, 5660, 7624, 
    8484, 8497, 5285, 5346, 2812, 5728, 
    7608, 5879, 2250, 8485, 1538, 5265, 
    8488, 8486, 8492, 2899, 5288, 8487, 
    5523, 7614, 5666, 6823
  )

Query time 0.00160

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "117.76"
    },
    "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": 85,
          "rows_produced_per_join": 85,
          "filtered": "100.00",
          "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`p`.`product_id` in (1,228,8,9,5290,10,8483,2892,71,2896,2902,4,2359,1532,2906,5271,6340,8499,8502,5851,8501,4974,5277,2459,5640,5284,5376,5287,5281,5397,4995,5270,2901,5278,5187,5549,5235,1528,2776,2432,2771,4992,5661,2774,5207,2455,5737,6385,5186,1517,5008,5272,4991,2438,5276,8498,5660,7624,8484,8497,5285,5346,2812,5728,7608,5879,2250,8485,1538,5265,8488,8486,8492,2899,5288,8487,5523,7614,5666,6823))",
          "cost_info": {
            "read_cost": "49.76",
            "eval_cost": "8.50",
            "prefix_cost": "58.26",
            "data_read_per_join": "1K"
          },
          "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": 85,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "21.25",
            "eval_cost": "8.50",
            "prefix_cost": "88.01",
            "data_read_per_join": "33K"
          },
          "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": 85,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "21.25",
            "eval_cost": "8.50",
            "prefix_cost": "117.76",
            "data_read_per_join": "8K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}