UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '99ZI4Vux2Xv4rZJtEjIZ42+cxmAVesYI7uTnAgZDO4E=' 
WHERE 
  key_id = '156a664340396e36d4f99a71a9a0201477a40b6530384ac059e84eda4091380d' 
  AND (
    token = '99ZI4Vux2Xv4rZJtEjIZ42+cxmAVesYI7uTnAgZDO4E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )