UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'NyQOYUBCtxTrB3YIRtc6tqIJjsxs55IXyByC//xI38g=' 
WHERE 
  key_id = '40f6fc4f90042b8fffe5e497519121f5e99e48cc6bcea940e1f66ab016c541cb' 
  AND (
    token = 'NyQOYUBCtxTrB3YIRtc6tqIJjsxs55IXyByC//xI38g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )