UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Um5L86mC4VBW6uiNVMdZB01Vd7derRv5alM2BjwXKtA=' 
WHERE 
  key_id = 'eccb6845fc944e327a7ad776870a8617b3c6d469848f4234f8c10d60e5d1f491' 
  AND (
    token = 'Um5L86mC4VBW6uiNVMdZB01Vd7derRv5alM2BjwXKtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )