SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    13464, 13492, 13465, 13493, 13933, 13934, 
    13935, 13998, 13999, 14000, 14005, 
    14006, 14007, 14131, 14132, 14133, 
    14134, 14135, 14138, 14139, 15734, 
    15735, 15736, 15737, 15738, 15739, 
    15740, 19930, 19931
  )

Query time 0.00034

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.05121603,
    "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": 29,
          "cost": 0.05121603,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (13464,13492,13465,13493,13933,13934,13935,13998,13999,14000,14005,14006,14007,14131,14132,14133,14134,14135,14138,14139,15734,15735,15736,15737,15738,15739,15740,19930,19931)"
        }
      }
    ]
  }
}