My work permit expires on May 15, but I know for sure that they may take longer to approved. When the news came out about renewing your DACA I wasn't worried because the first time I applied , the process took less then two months.
Sent to Phoenix lock box 2/15/2015
Uscis received 2/17/2015
Transferred to nebraska 2/19/2015
DACA EXPIRES 5/15/2015