SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    15167, 16346, 16334, 16348, 15749, 14660, 
    14149, 14650, 16347, 15166, 15732, 
    14651, 14656, 14654, 14661, 15751, 
    16338, 15108, 15753, 16354, 16340, 
    15747, 16351, 15750
  )

Query time 0.00061

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.04252208,
    "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": 24,
          "cost": 0.04252208,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (15167,16346,16334,16348,15749,14660,14149,14650,16347,15166,15732,14651,14656,14654,14661,15751,16338,15108,15753,16354,16340,15747,16351,15750)"
        }
      }
    ]
  }
}