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 (
    13176, 13162, 13169, 13232, 13225, 13190, 
    13183, 13239, 13204, 13197, 13246, 
    13218, 13211, 13253, 13302, 13303, 
    13308, 13309, 13306, 13307, 13310, 
    13311, 13312, 13313, 13304, 13305, 
    13319, 1154, 3315, 3318, 3687, 5076, 
    4691, 3071, 513, 3505, 3319, 3306, 3296, 
    1172, 1173, 4917, 4918, 6962, 6966, 
    6967, 6965, 6963
  )

Query time 0.00153

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "190.76"
    },
    "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": 55,
          "rows_produced_per_join": 55,
          "filtered": "100.00",
          "index_condition": "(`test2_gaseus`.`p`.`product_id` in (13176,13162,13169,13232,13225,13190,13183,13239,13204,13197,13246,13218,13211,13253,13302,13303,13308,13309,13306,13307,13310,13311,13312,13313,13304,13305,13319,1154,3315,3318,3687,5076,4691,3071,513,3505,3319,3306,3296,1172,1173,4917,4918,6962,6966,6967,6965,6963))",
          "cost_info": {
            "read_cost": "31.26",
            "eval_cost": "5.50",
            "prefix_cost": "36.76",
            "data_read_per_join": "880"
          },
          "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": [
            "test2_gaseus.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 55,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "13.75",
            "eval_cost": "5.50",
            "prefix_cost": "56.01",
            "data_read_per_join": "21K"
          },
          "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": [
            "test2_gaseus.p.group_id"
          ],
          "rows_examined_per_scan": 7,
          "rows_produced_per_join": 385,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "96.25",
            "eval_cost": "38.50",
            "prefix_cost": "190.76",
            "data_read_per_join": "39K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}