UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P85/79f3GMWyr5NcJe+Dvmx/z9FKI4+x2SftKSVRJco=' 
WHERE 
  key_id = '5cc65223c5226425fda085b00025747249e83f802676be83596d6ce303f813a4' 
  AND (
    token = 'P85/79f3GMWyr5NcJe+Dvmx/z9FKI4+x2SftKSVRJco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )