UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mCd5zXwyodDl8PLNA95refEgDH8AVeLpl7bkfhxHqv4=' 
WHERE 
  key_id = '81efa464be7e4cef2ef82d35dfea97f742fe053ff01d8702cf1055ae86833ff7' 
  AND (
    token = 'mCd5zXwyodDl8PLNA95refEgDH8AVeLpl7bkfhxHqv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )