public async Task UpsertToken(string tokenName, string tokenValue)
{
var existingToken = await _healthContext.Tokens.FindAsync(tokenName);
if (existingToken != null)
{
existingToken.Value = tokenValue;
}
else
{
_healthContext.Add(new Token
{
Name = tokenName,
Value = tokenValue
});
}
_healthContext.SaveChanges();
}