UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pdel4hpE7Z6kFpG1wLkH1ZhwmNdDdSPJeuKawR4cUX0=' 
WHERE 
  key_id = '4bac08a41c5f6f43df08424636e64749cb043313f02dab72476edd57f7083529' 
  AND (
    token = 'pdel4hpE7Z6kFpG1wLkH1ZhwmNdDdSPJeuKawR4cUX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )