Transform file to replace the whole parent node based on the text value of the child node - XML Transform

I need to identify the text value of the child node element.

Purpose:

I want to create Transform file for an XML file so i need to replace the parent node Connection by comparing the value of the child node ClientKey

My XML File:

<Connection>
     <ClientKey>Client1</ClientKey>
     <ConnectionString>Test</ConnectionString>
     <WorkingDocs>Test</WorkingDocs>
     <TemplateDocs>Test</TemplateDocs>
     <PatientDocs>Test</PatientDocs>
     <ClientName>Test</ClientName>
     <ClientTimeZone>Test</ClientTimeZone>
     <ClientTimeDiff>Test</ClientTimeDiff>
     <ExceptionLogPath>Test</ExceptionLogPath>
</Connection>

How i can idendify the text of the ClientKey node

After googling i have found the solution for Config Transform in this case

We have different approaches

1. Condition(ClientKey/text()='Client1')
2. XPath(/Connections/Connection[ClientKey/text()='UHG_LOCAL'])

<Connection xdt:Transform="Replace" xdt:Locator="Condition(ClientKey/text()='Client1')">
    <ClientKey>GC_LOCAL</ClientKey>
    <ConnectionString>Test1</ConnectionString>
    <WorkingDocs>Test1</WorkingDocs>
    <TemplateDocs>Test1</TemplateDocs>
    <PatientDocs>Test1</PatientDocs>
    <ClientName>Test1</ClientName>
    <ClientTimeZone>Test1</ClientTimeZone>
    <ClientTimeDiff>Test1</ClientTimeDiff>
    <ExceptionLogPath>Test1</ExceptionLogPath>
</Connection>