UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eW0Dj5ZG9TlZE7g565E3qPUr/uK2od5KFkEsGhs035Y=' 
WHERE 
  key_id = 'a1f15e55b81a76b9812c2a48c86d82fa8793cc3586c32d9d9ced48b32df99b18' 
  AND (
    token = 'eW0Dj5ZG9TlZE7g565E3qPUr/uK2od5KFkEsGhs035Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )