mysql语句修改zencart产品原价为特价的倍数

mysql语句修改zencart产品原价为特价的倍数，下面语句将原价设为特价的3倍：

update products as p inner join specials as s on s.products_id=p.products_id set p.products_price=s.specials_new_products_price*3;
update products as p inner join specials as s on s.products_id=p.products_id set p.products_price_sorter=s.specials_new_products_price*3;