SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    136024, 136199, 152431, 171064, 135956, 
    167412, 151077, 162915, 159851, 177138, 
    132858, 140228
  )

Query time 0.00042

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.0216566,
    "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": 12,
          "cost": 0.0216566,
          "filtered": 100,
          "attached_condition": "cscart_products.product_id in (136024,136199,152431,171064,135956,167412,151077,162915,159851,177138,132858,140228)"
        }
      }
    ]
  }
}