Мы ответим на Ваши вопросы
Техника для кухни
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=21857 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=21858 limit 1
select st1+st2+st3+st4+st5 as count, st5 as sklad 0 as stor from catalog_params where idt=21858 limit 1