SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    10525, 10524, 10522, 10495, 10494, 10493, 
    10492, 10491, 10490, 10489, 10488, 
    10487, 10486, 10485, 10483, 10482, 
    10481, 10480, 10479, 10478
  )

Query time 0.00041

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": 20,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (10525,10524,10522,10495,10494,10493,10492,10491,10490,10489,10488,10487,10486,10485,10483,10482,10481,10480,10479,10478)"
    }
  }
}