<===> input.scss
@mixin simple-media-query($max-width, $min-width) {
      @media only screen and (max-width: $max-width) and (min-width: $min-width) {
        @content;
      }
}

@mixin test($value) {
    border-color: $value;
}

body 
{
    @include test("#ccc");
    @include simple-media-query(900px, 400px) {
        border-color: black;
    }
}
<===> output.css
body {
  border-color: "#ccc";
}
@media only screen and (max-width: 900px) and (min-width: 400px) {
  body {
    border-color: black;
  }
}