UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LQARx5Zmy1N9JxmAJbIVhUTCb4CGic7v87H//37vJhI=' 
WHERE 
  key_id = '7b6b441e6a09db0372e7bd3871cdcdba095d5e37018a956405353d3bcc8c3608' 
  AND (
    token = 'LQARx5Zmy1N9JxmAJbIVhUTCb4CGic7v87H//37vJhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )