Try running MySQL.exe from Command Prompt (located in C:\MySQL\Bin by default). Then type "use eq" (assuming eq is your database and without the quotes), and enter in the following line:
Code:
INSERT INTO npc_types VALUES (1368,'a_fire_beetle',2,22,1,32,2,0,0,2,1,4,322,0,1,5,'1009',' ',0,135,1,6,0,0,0,0,0,0,0,225,225);