UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G6/92GAlJTl7fVIYQ2NzguA7IuGqKbSbMl5O8GCE840=' 
WHERE 
  key_id = '15a086b90e9b6ade36bb7e47b886928d4f806341f12b2dbb488c6065d2e8baf8' 
  AND (
    token = 'G6/92GAlJTl7fVIYQ2NzguA7IuGqKbSbMl5O8GCE840=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )