SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    13902, 13903, 13906, 13907, 13909, 13910, 
    13911, 13913, 13914, 13915, 13917, 
    13918, 13919, 13920, 13921, 13922, 
    13923, 13924, 13925, 13926, 13927, 
    13933, 13934, 13935, 13936, 13937
  )

Query time 0.00053

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.04599966,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 26,
          "cost": 0.04599966,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (13902,13903,13906,13907,13909,13910,13911,13913,13914,13915,13917,13918,13919,13920,13921,13922,13923,13924,13925,13926,13927,13933,13934,13935,13936,13937)"
        }
      }
    ]
  }
}