UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XmI3n/YAvMyZVoysEPFfpe7Opn1xtFy3yN8kLd3Gwz0=' 
WHERE 
  key_id = '6457be68b46ea25ae5d958ab5ff124a27a327f66ec0ace1655276ca3ffed92da' 
  AND (
    token = 'XmI3n/YAvMyZVoysEPFfpe7Opn1xtFy3yN8kLd3Gwz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )