UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lv89x4eX790i6qePXHDD8cjkzg0qAop0av1oh1AzdWc=' 
WHERE 
  key_id = '875a631f0993822881ee364e535afa783264b3167417f3051ece4ee664d843a5' 
  AND (
    token = 'lv89x4eX790i6qePXHDD8cjkzg0qAop0av1oh1AzdWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )