Error in executing UPDATE linktbl SET link_total = , link_clickedsince = , link_lastclicked='2024-07-17 12:39:17' WHERE link_id=41571error: 1064 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 ' link_clickedsince = , link_lastclicked='2024-07-17 12:39:17' WHERE link_id=' at line 1