UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jzjocB5/LakFeUMK8UiH2VWjwqJ5vZHY2ryA8UC6M3Y=' 
WHERE 
  key_id = '87f3a0b758e9fbf3741826eb7a037d22b94cb31724087e1c0395d8aac1db7971' 
  AND (
    token = 'jzjocB5/LakFeUMK8UiH2VWjwqJ5vZHY2ryA8UC6M3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )