UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx3XKVzKNI/z6zzs/z6dOldpAjlamOHZBlzUsRssTs0=' 
WHERE 
  key_id = '814297cbb3a493307f003a35442524d347134cc2d481da7a7d574916c449684b' 
  AND (
    token = 'Kx3XKVzKNI/z6zzs/z6dOldpAjlamOHZBlzUsRssTs0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )