looking for sed command to replace line into an xml file

I have generated the below line using a script.

<property name="server1">server123<\/property>
<property name="server2">server234<\/property>

Now i want to replace line "server1" in below xml line with to the above line.

<bean name="customerserverconf">
<bean name="cluster1">
<property name="clusterName">MYCLUSTER</property>
<property name="currentSession">true</property>
<property name="server1">{{MYHOST}}</property>
<property name="useStickyServer">false</property>
</bean>