UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6WymVcAPrpBwKLG9IS3uhrhWlTTObOa8P2WFof1+/tQ=' 
WHERE 
  key_id = '3812a43858572206c22e0912f88f1971944c90ce98c9ac6466519658b2bb5d67' 
  AND (
    token = '6WymVcAPrpBwKLG9IS3uhrhWlTTObOa8P2WFof1+/tQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )