UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7r7S/LPUkSjTQmD9irJmiAqK8FS6Nft5w9sgwX8jqwQ=' 
WHERE 
  key_id = '271275705030756c4d9eed39910eec0bb59876740414bad2807a2214cd7f739b' 
  AND (
    token = '7r7S/LPUkSjTQmD9irJmiAqK8FS6Nft5w9sgwX8jqwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )