Yes, you absolutely can qualify for Boston with that background if you stay healthy. If you stay healthy there's virtually a 100% chance that you qualify on your first or second chance if you don't execute properly the first time.
Read and follow the advice in Advanced Marathoning.
Keep your easy days EASY.
Don't go out too hard in the marathon, especially for the first mile.
Course shop. Don't choose an unreasonably difficult course for your first marathon. Choose the date wisely. Don't take chances with the weather. Websites like Findmymarathon provide all of the course info you need to choose the right first marathon.