HELP UNPROTECTED SEX

OH MY GOD SO AT 8PM I HAD UNPROTECTED SEX AND HE CAME IN LIKE A MINUTE BUT HE CAME ON MY BELLY AND IM CURRENTLY NOT FERTILE BUT THERES STILL A CHANCE IM AFRAID PRECUM COULD GET ME PREGNANT SO I TOMORROW AFTERNOON I WANT TO GO TO THE CVS PHARMACY TO GET PLAN B BUT I HAVE TO GET IT OVER THE COUNTER BUT WHAT TIME DOES THE COUNTER CLOSE?! BECAUSE I HAVE AN EYE DOCTOR APOINTMENT AT 3:30PM AND I DONT WANT TO TAKE THE PLAN B TOO LATE AND THEN BE PREGNANT...I CANT GO IN THE MORNING BECAUSE BUSY. PLEASE HELP ALSO DONT JUDGE ME BECAUSE THATS UNNECCESARY YOURE WASTING YOUR TIME TYPING OK THANK YOU 
update : the CVS pharmacy says open 24 hours but apparently you can only get them from the counter and idk what time the counter closes