There was an error in your query:
select culoare_id, stoc from tblstocuri where (prod_id = 30932) AND (marime_id = a:1:{i:0;s:19:"a:1:{i:0;s:2:"91";}";})
MySQL server response was: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ':1:{i:0;s:19:"a:1:{i:0;s:2:"91";}";})' at line 1
MySQL Error Code: 1064