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 (
    120, 121, 122, 123, 124, 125, 126, 127, 
    128, 129, 130, 131, 132, 133, 134, 135, 
    136, 137, 138, 139, 140, 141, 142, 143, 
    144, 145, 146, 147, 148, 149, 150, 151, 
    152, 153, 154, 155, 156, 157, 158, 159, 
    160, 161, 162, 163, 164, 165, 167, 168, 
    169, 170, 171, 172, 173, 174, 175, 176, 
    177, 178, 179, 180, 181, 182, 183, 184
  )

Query time 0.00071

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "208.61"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "f",
          "access_type": "ALL",
          "possible_keys": [
            "idx_group_id"
          ],
          "rows_examined_per_scan": 22,
          "rows_produced_per_join": 22,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "2.20",
            "eval_cost": "4.40",
            "prefix_cost": "6.60",
            "data_read_per_join": "2K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "pankajecarter_systemfour.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 22,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "22.00",
            "eval_cost": "4.40",
            "prefix_cost": "33.00",
            "data_read_per_join": "8K"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "p",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "pankajecarter_systemfour.f.group_id"
          ],
          "rows_examined_per_scan": 9,
          "rows_produced_per_join": 218,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "132.00",
            "eval_cost": "43.62",
            "prefix_cost": "208.61",
            "data_read_per_join": "3K"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ],
          "attached_condition": "(`pankajecarter_systemfour`.`p`.`product_id` in (120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184))"
        }
      }
    ]
  }
}