Sometimes we have purchaseTokenNotFound on /purchases/products/ request

[GoogleCodeExporter]

What steps will reproduce the problem?
http://stackoverflow.com/questions/25401759/check-andriod-purchase-status-but-re
turn-the-purchase-token-was-not-found

What is the expected output? What do you see instead?
We are expecting normal transaction output because it was definetly paid by our 
customer.

What version of the product are you using? On what operating system?
-

Please provide any additional information below.

Our production server encountered such error for transaction 
12999763169054705758.1324201423101630
while previous one 12999763169054705758.1360965250547386 was processed as usual:

2015-07-04 10:27:49+0000 [HTTPPageGetter (TLSMemoryBIOProtocol),client] 
Stopping factory <HTTPClientFactory: 
https://www.googleapis.com/androidpublisher/v2/applications/net.wargaming.wot.bl
itz/purchases/products/feb_2015_essentials_kit/tokens/bhmnopeimggmchmdbblgdegb.A
O-J1OwJ7jiCk-X3VEJXhkjqoghM59LlMgzrQw_wj6c0I7WQZnH9QiPcBNG0_xDm22Jd4CD409wiPy-i5
y-Qg5LQ8fLn4MZmqr_HdQ6skHr990xKRGT-PoKnAL6WfBK0Cl1_gzUOjniwryQUcE5oNHHMbb0b_1Zgq
A>
2015-07-04 10:27:49+0000 [BigworldService] Notification sent: 
[986d6470-e61d-4fd6-aca4-4bd5e0b5c586] Google transaction not found for 
product_id=feb_2015_essentials_kit, package_name=net.wargaming.wot.blitz, 
token=bhmnopeimggmchmdbblgdegb.AO-J1OwJ7jiCk-X3VEJXhkjqoghM59LlMgzrQw_wj6c0I7WQZ
nH9QiPcBNG0_xDm22Jd4CD409wiPy-i5y-Qg5LQ8fLn4MZmqr_HdQ6skHr990xKRGT-PoKnAL6WfBK0C
l1_gzUOjniwryQUcE5oNHHMbb0b_1ZgqA

Original issue reported on code.google.com by mobile_p...@wargaming.net on 13 Jul 2015 at 10:57