UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lxNHTsiyKPt7HuqWesEiQukzD9XiSYvgS+m3Ovjl/ts=' 
WHERE 
  key_id = '4a8a326eada31e0113dbb84a374b8b78ce67e6a6447c303f522062acb2f7634d' 
  AND (
    token = 'lxNHTsiyKPt7HuqWesEiQukzD9XiSYvgS+m3Ovjl/ts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )