UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4S94bQyw9IUj8tcnsGF4SlLyRgElI0HtynU1y3UEBe0=' 
WHERE 
  key_id = '979af7fc540787c8d11e50334bbe2b6e3e35d1e92e579e78b7f85baffdc4c424' 
  AND (
    token = '4S94bQyw9IUj8tcnsGF4SlLyRgElI0HtynU1y3UEBe0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )