UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pQbvforq9UOacn6kpxBK1ugbk4iGE0GHyrMiV+GQhU8=' 
WHERE 
  key_id = '68f2657cf77cd93a824e8c59c92f441d2315b6b050a07757f5d9aafc4fbcdee5' 
  AND (
    token = 'pQbvforq9UOacn6kpxBK1ugbk4iGE0GHyrMiV+GQhU8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )