UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xvrWaJlU+walvQHp9aM4AsWnChxk7YLYLNk5MLtdqm0=' 
WHERE 
  key_id = '5395cb871f7374b73d2e14ceaa9d7d6953d8baff8bfa3b2e55aa119ca76d6839' 
  AND (
    token = 'xvrWaJlU+walvQHp9aM4AsWnChxk7YLYLNk5MLtdqm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )