update products set products_ordered=products_ordered+10 where master_categories_id=1;
update products set products_ordered=products_ordered+10 where master_categories_id in (111,222,333,44,555,666);

update products_description set products_viewed=products_viewed+10 where products_id=1;
update products_description set products_viewed=products_viewed+10 where products_id in (111,222,333,44,555,666);