UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VZo0f/1QSe1xStHVfxJsTrsWXahtCR+wY8gwEmEVKNo=' 
WHERE 
  key_id = 'c3aa2da43be17472b880dc174a00af8bb408d22e2518f3964ede186cc0c319c0' 
  AND (
    token = 'VZo0f/1QSe1xStHVfxJsTrsWXahtCR+wY8gwEmEVKNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )