UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3FwsON/THohs5FIyw9SBCAkNg1W0LafVrgqmNZP/kU=' 
WHERE 
  key_id = 'a2b7b818e22bd33a308f9afc7d12184a9ab9243ce118dab966a9d1ca50485781' 
  AND (
    token = 'a3FwsON/THohs5FIyw9SBCAkNg1W0LafVrgqmNZP/kU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )