UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '75B0kz7juDO+mqIGrDyc7ZFdeZ1cP2pSO88FMNpZE9E=' 
WHERE 
  key_id = '30f7753e61ffe1e9e7e442d1f24d71a65ddf1f4b4f3a70eed7f0ab9db95aba37' 
  AND (
    token = '75B0kz7juDO+mqIGrDyc7ZFdeZ1cP2pSO88FMNpZE9E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )