UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b2MjHv73Ff8PXXaeGxuSywnk+WHWUKkBvXuyrsjFmag=' 
WHERE 
  key_id = '1767e7ff82ccc59317ce17b0468f71fea9095aaacc311653e94532ca5a31855a' 
  AND (
    token = 'b2MjHv73Ff8PXXaeGxuSywnk+WHWUKkBvXuyrsjFmag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )