UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6rYnxhl0URHlr5y5F7FqYGJNS31zOH3MxFmLY9qiLyc=' 
WHERE 
  key_id = '9c6948081ceb4c04ebd8b3c98d203e4115c8499238707aaa43d3f168c3e28579' 
  AND (
    token = '6rYnxhl0URHlr5y5F7FqYGJNS31zOH3MxFmLY9qiLyc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )