INSERT INTO t_agent(agent_ip,cs_no,hw_ver,agent_id) VALUES('192.168.1.1','4.1.1.4','11111',35) ON DUPLICATE KEY UPDATE agent_id = VALUES(agent_id),cs_no = values(cs_no),agent_ip = values(agent_ip),hw_ver = values(hw_ver),cs_no = values(cs_no)
INSERT INTO t_agent(agent_ip,cs_no,hw_ver,agent