[Feat]: Implement an Env variable for setting Query Timeout value

[adnanqaops]

Is your feature request related to a problem? Please describe.
At the moment, there is a hard coded value set for Query Timeout. This is not so good.

Describe the solution you'd like
We should define an Env variable for Query Timeout, and set it's value there.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
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