UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KNbut05l5QQZ5rInHU4YtIl6Qs69lxqkhk6P71wPfUA=' 
WHERE 
  key_id = '181d43851383259f022caacd8ae8ad199f40dbbec32cd2ba97b7f9f558c8d00b' 
  AND (
    token = 'KNbut05l5QQZ5rInHU4YtIl6Qs69lxqkhk6P71wPfUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )