SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    1757, 1734, 1176, 1201, 1191, 1182, 1825, 
    1824, 1821, 1761, 1823, 1822
  )

Query time 0.00104

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": 12,
      "filtered": 100,
      "index_condition": "cscart_products.product_id in (1757,1734,1176,1201,1191,1182,1825,1824,1821,1761,1823,1822)"
    }
  }
}