codeMieJwtExpired function
Whether a CodeMie JWT Bearer token is past its exp claim. Tokens without
an exp claim are treated as non-expired.
Implementation
bool codeMieJwtExpired(String token) {
final expiresAt = codeMieJwtExpiresAtMs(token);
if (expiresAt == null) return false;
return DateTime.now().millisecondsSinceEpoch > expiresAt;
}