UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm0CWEx5xC1flSHqgm8vO4iNNoSAPHGisJAKedTXJO+0=' 
WHERE 
  key_id = '421d43c13005a11a3cbb4d69d3f786ab9234d2688afc754c8bffeb85acde911a' 
  AND (
    token = 'm0CWEx5xC1flSHqgm8vO4iNNoSAPHGisJAKedTXJO+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )