UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//Hlyi68f1psXvAkh+EjQIJAAGCm7r56wGi7syOQIjU=' 
WHERE 
  key_id = 'a18fbd4705d9af795cb430d66be5bb754fdf8faf21258d7229159bd84855c65e' 
  AND (
    token = '//Hlyi68f1psXvAkh+EjQIJAAGCm7r56wGi7syOQIjU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )