UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDc932QA/gjn3FQ2/+eDeYiKJDtP1Vxt8NBOi9ReulQ=' 
WHERE 
  key_id = 'a4cccd28a347943f7743ebc5c8b9138ceacc4194e649d28a0e7d20640a64cd2f' 
  AND (
    token = 'MDc932QA/gjn3FQ2/+eDeYiKJDtP1Vxt8NBOi9ReulQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )