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, 10, 71, 4, 1549, 5851, 1550, 
    1548, 5737, 5995, 5728, 5879, 5968, 
    5920, 1551, 5876, 5902, 5860, 1546, 
    5846, 5897, 5880, 5782, 5985, 5784, 
    1547, 5767, 5780, 5844, 5764, 5872, 
    5971, 5841, 5768, 5835, 5910, 5873, 
    5853, 5901, 8266, 5763, 5855, 5921, 
    5883, 5904, 8265, 5769, 5772, 8267, 
    5886, 5906, 5996, 5783, 5913, 5781, 
    5842, 5840, 5986, 8264, 5770, 5916, 
    5865, 5867, 5907, 5771, 5903, 5776, 
    5889, 5874, 5834, 5878, 5875, 5877, 
    5905, 5963, 5863, 5909
  )

Query time 0.00165

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "112.01"
    },
    "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": 80,
          "rows_produced_per_join": 80,
          "filtered": "100.00",
          "index_condition": "(`softwarepirmam_hewadelivard_cscart_4`.`p`.`product_id` in (1,228,8,9,10,71,4,1549,5851,1550,1548,5737,5995,5728,5879,5968,5920,1551,5876,5902,5860,1546,5846,5897,5880,5782,5985,5784,1547,5767,5780,5844,5764,5872,5971,5841,5768,5835,5910,5873,5853,5901,8266,5763,5855,5921,5883,5904,8265,5769,5772,8267,5886,5906,5996,5783,5913,5781,5842,5840,5986,8264,5770,5916,5865,5867,5907,5771,5903,5776,5889,5874,5834,5878,5875,5877,5905,5963,5863,5909))",
          "cost_info": {
            "read_cost": "48.01",
            "eval_cost": "8.00",
            "prefix_cost": "56.01",
            "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": 80,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "20.00",
            "eval_cost": "8.00",
            "prefix_cost": "84.01",
            "data_read_per_join": "31K"
          },
          "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": 80,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "20.00",
            "eval_cost": "8.00",
            "prefix_cost": "112.01",
            "data_read_per_join": "8K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}