UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/UxvMwC6QdZ7UYqNcgWAca9O4ffanaYvoCEGWQFNIWw=' 
WHERE 
  key_id = '39649c2db94a78ece4358eb0f982710394485d73bb34412b091d6b5abf2d739b' 
  AND (
    token = '/UxvMwC6QdZ7UYqNcgWAca9O4ffanaYvoCEGWQFNIWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )