Align two equations in two lines

Question

I have these equations on different lines and I would like you to align them all where the "=" is.

\begin{align*}\label{eq:Karodebc}
&x=0, &P=P_{in}\\
&x=0,    &  \frac{dP}{dx} =-\frac{3}{2} \frac{\mu}{h^3W}Q_i,
\end{align*}