SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    62862, 61400, 62859, 64467, 61401, 62861, 
    64363, 62863, 64356, 64360, 64362, 
    64359
  )

Query time 0.00075

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,
      "attached_condition": "cscart_products.product_id in (62862,61400,62859,64467,61401,62861,64363,62863,64356,64360,64362,64359)"
    }
  }
}

Result