This is what he plays the whole song, with some variations throughout.

G|--------------------------------|
D|--------------------------------|
A|--5--0--5--0--5--0--5--0-2-4-5--|
E|--------------------------------|

 You could also play it like this...

|---------------------------|
|---------------------------|
|-5---5---5---5-----4-5-----|
|---5---5---5---5-7---------|