Is this a healthy lunch at a Mexican restaurant?

I am thinking of having carne asada with no rice just extra re-fried beans (no cheese, add red enchilada sauce) and coleslaw (vinegar based, not a mayo based slaw). I am trying to stick to a 1300 calorie diet to make sure I am looking top notch for my wedding in a month, and I do exercise, but I feel bad that I am missing lunches with the girls from work!