SELECT 
  cscart_products.* 
FROM 
  cscart_products 
WHERE 
  cscart_products.product_id IN (
    7063, 9852, 10334, 7496, 10707, 10352, 
    10042, 10521, 10506, 10618, 10040, 
    12456, 12457, 7550, 10518, 10353, 7566, 
    10517, 7648, 7146, 10272, 10273, 10091, 
    7252
  )

Query time 0.00069

JSON explain

{
  "query_block": {
    "select_id": 1,
    "nested_loop": [
      {
        "table": {
          "table_name": "cscart_products",
          "access_type": "range",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "rows": 24,
          "filtered": 100,
          "index_condition": "cscart_products.product_id in (7063,9852,10334,7496,10707,10352,10042,10521,10506,10618,10040,12456,12457,7550,10518,10353,7566,10517,7648,7146,10272,10273,10091,7252)"
        }
      }
    ]
  }
}