UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+wq1xEpVtz9o2etzlMSb4EAY6R6ZJZEpwiDS9+mPMVU=' 
WHERE 
  key_id = '4e4fd908c1e5648e57794d07cdea3652aca39d556d442b2b79e166d14f601b93' 
  AND (
    token = '+wq1xEpVtz9o2etzlMSb4EAY6R6ZJZEpwiDS9+mPMVU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )