def token_seems_valid(token: str) -> bool:
    """check validity of an api token based on its characters and length

    Args:
        token (str): sure petcare api token

    Returns:
        bool: True if ``token`` seems valid
    """
    return (
        (token is not None) and token.isascii() and token.isprintable() and (320 < len(token) < 448)
    )