UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dqFzOnBl+wtLuAok1X02z5YFcpNCc34LyHt/o2u4QQM=' 
WHERE 
  key_id = 'b1d7c02b71dd7fd7925115e8d11db0cf35068621134202d95ca41800557086a3' 
  AND (
    token = 'dqFzOnBl+wtLuAok1X02z5YFcpNCc34LyHt/o2u4QQM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )