UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rUDnvRrQLhWEUX+PQYgYQBJo9JoyoVlQvpGaD18T/OA=' 
WHERE 
  key_id = '28a9b5c4131a3179d824a3a46f304a272b47a4638845c61fe75e43b9016e3347' 
  AND (
    token = 'rUDnvRrQLhWEUX+PQYgYQBJo9JoyoVlQvpGaD18T/OA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )