UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xTv3m/7ADq3ehnPirh2Tdav375p1J1xdkZWMGgWLcv0=' 
WHERE 
  key_id = '4b21cc9e1ba204fa25d4e9c8b8a9ff4586ac56626e5bfb4af47ae35476a70fb7' 
  AND (
    token = 'xTv3m/7ADq3ehnPirh2Tdav375p1J1xdkZWMGgWLcv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )