UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PqLLxHuqhNnjBIuJiNstxGI9AAPzgTHmJ+Lry5AAfwA=' 
WHERE 
  key_id = '8e615f81bfad1f7fa8a80e687d50173862d285b3bd677b2a740c9c736d1b2476' 
  AND (
    token = 'PqLLxHuqhNnjBIuJiNstxGI9AAPzgTHmJ+Lry5AAfwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )