Rinse off the PBW. Don't rinse the star-san
Looks like a 45 min boil to me. You must crack the grains and coriander seed or you will get nothing from them. Just put them on a cookie sheet and roll over them with a can of beans to crack them open--not crush them to powder. You won't have to do anything to the flaked stuff.
Also you want to bring it to a boil, take off the heat, stir in the extract/honey till it's dissolved.
Then put back on the heat, bring to a boil, add brewers gold hops, boil 30mins.
Then add the styrian goldings, boil 15 mins.
Take off heat, add spices. The rest you have right.
Pitch your yeast when the wort is 70F or below.