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 (
    17, 180, 18, 16, 4, 5, 23, 24, 1, 22, 149, 
    190, 189, 3438, 3439, 3440, 3441, 136148, 
    156245, 169350, 125861, 122330, 133778, 
    146242, 143574, 121541, 130403, 120464, 
    125358, 154235, 137235, 157361
  )

Query time 0.00036

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.05491401,
    "nested_loop": [
      {
        "table": {
          "table_name": "g",
          "access_type": "index",
          "possible_keys": ["PRIMARY"],
          "key": "idx_group_code",
          "key_length": "387",
          "used_key_parts": ["code"],
          "loops": 1,
          "rows": 2,
          "cost": 0.00693929,
          "filtered": 100,
          "using_index": true
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": ["idx_group_id"],
          "key": "idx_group_id",
          "key_length": "3",
          "used_key_parts": ["group_id"],
          "ref": ["u985510652_ecartify_abhi.g.id"],
          "loops": 2,
          "rows": 2,
          "cost": 0.0072656,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "p",
          "access_type": "ref",
          "possible_keys": ["PRIMARY", "idx_group_id"],
          "key": "idx_group_id",
          "key_length": "3",
          "used_key_parts": ["group_id"],
          "ref": ["u985510652_ecartify_abhi.g.id"],
          "loops": 4,
          "rows": 9,
          "cost": 0.04070912,
          "filtered": 82.05128479,
          "index_condition": "p.product_id in (17,180,18,16,4,5,23,24,1,22,149,190,189,3438,3439,3440,3441,136148,156245,169350,125861,122330,133778,146242,143574,121541,130403,120464,125358,154235,137235,157361)"
        }
      }
    ]
  }
}