UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vSa20X8NnxSDT7vxOmSnZVgr0BgbWvk7GYkGyZBDVaw=' 
WHERE 
  key_id = '6b107ea8aad31d9b86410f0fbf25027295f4dff8b5fade36df46717f93b92014' 
  AND (
    token = 'vSa20X8NnxSDT7vxOmSnZVgr0BgbWvk7GYkGyZBDVaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )