UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PzHUVqiw9hEJBt0rq4a9C3wEyko0P46PDm7G6ZvpzvY=' 
WHERE 
  key_id = '004806bd5b1ac494f496acfd71ac0d6da7a7f469734075b2fd753f513506047f' 
  AND (
    token = 'PzHUVqiw9hEJBt0rq4a9C3wEyko0P46PDm7G6ZvpzvY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )