UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rAL7EJ36lzl62Cq5WRoC+eYn/wCRbE81t7wH+He5SJk=' 
WHERE 
  key_id = '6f5eeea900fdb021fdcc2430f7855b5d360e538ba3dbdd834a4028446edbdc3f' 
  AND (
    token = 'rAL7EJ36lzl62Cq5WRoC+eYn/wCRbE81t7wH+He5SJk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )