UPDATE 
  cscart_product_popularity 
SET 
  `viewed` = 7, 
  `added` = 0, 
  `deleted` = 0, 
  `bought` = 0, 
  `total` = 21 
WHERE 
  product_id IN (
    13268, 13269, 13270, 13271, 13272, 13273
  )

Query time 0.00181

Result

int(6)