UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNUcAhUvEhF2/7QpIE/t5pnLgkbdl6GUGuI7NvH1hYI=' 
WHERE 
  key_id = '398d39bdfeb0ca74265d5349c67baa8a2b3323b8ee3f279dc09ff3f473616eb7' 
  AND (
    token = 'xNUcAhUvEhF2/7QpIE/t5pnLgkbdl6GUGuI7NvH1hYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )