Recode IRepository.Update\Delete with linq

[warning-explosive]

IDatabaseContext context = ...;

context
   .Update<SomeEntity>
   .Set(it => it.Column = outerCapturedValue)
   .Set(it => it.AnotherColumn = it.ThirdOneColumn)
   .Where(it => it.YetAnotherBoolColumn)
   .CachedExpression("some_key")
   .Invoke(token);

context
   .Delete<SomeEntity>
   .Where(it => it.SomeBoolColumn)
   .CachedExpression("some_key")
   .Invoke(token);