SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    19932, 14056, 18508, 18520, 18571, 14112, 
    14092, 14080, 14066, 14050, 14049, 
    19603, 14091, 14123, 14079, 14090, 
    14122, 14089, 19711, 19947, 14065, 
    14102, 14064, 14063
  )

Query time 0.00036

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 (19932,14056,18508,18520,18571,14112,14092,14080,14066,14050,14049,19603,14091,14123,14079,14090,14122,14089,19711,19947,14065,14102,14064,14063)"
        }
      }
    ]
  }
}