SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    2307, 2306, 2308, 13820, 11805, 2335, 
    2216, 2217, 15142, 2220, 2803, 2264, 
    2262, 13109, 13110, 12701, 2580, 4394, 
    2769, 2768, 2767, 2766, 12700, 13840, 
    2224, 15149, 2192, 2191, 15146, 15147
  )

Query time 0.00087

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "table_name": "cscart_products",
      "access_type": "range",
      "possible_keys": ["PRIMARY"],
      "key": "PRIMARY",
      "key_length": "3",
      "used_key_parts": ["product_id"],
      "rows": 30,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (2307,2306,2308,13820,11805,2335,2216,2217,15142,2220,2803,2264,2262,13109,13110,12701,2580,4394,2769,2768,2767,2766,12700,13840,2224,15149,2192,2191,15146,15147)"
    }
  }
}