Here are a few tips if you woke up and cannot find your EOS tokens;  although I am no expert (Sandwich is amazing in this area).  Here are the steps that I took when all my fields were blank but etherscan showed that my transaction went through.  I have no idea if all of these are necessary, but it worked.

Check to make sure that you actually generated EOS keys and it is attached to a wallet that can house tokens.  Tutorial to check and see if your ETH account is connected to your EOS key:  https://steemit.com/eos/@sandwich/how-to-check-which-eos-public-key-is-mapped-to-your-eth-address-with-myetherwallet-mew

First, make sure that you had enough ETH in your account to generate gas when you generated EOS keys during the crowdfund (sadly, I overlooked this as I had too many accounts in Parity and did not realize it chose the wrong one).  If not, no stress, you can just generate new keys now.   If that happened, the tokens may have landed in Metamask, in which case, you can easily transport them into MEW.   Make sure that there is now an EOS key attached to your Metamask ETH address, then use the claim all function in MEW, double check to make sure that your transaction went through at the crowdfund (etherscan), add the token in the tab inside Metamask with the contract address:

Token Address: 0x86fa049857e0209aa7d9e616f7eb3b3b78ecfdb0
Decimals: 18
Symbol: EOS

If I didn't mention it early, make sure all your ETH accounts are funded with ETH at all times...eye roll....I'll never do that again. 
Now, you should see the tokens inside Metamask, on the tokens tab.  

Go to MEW:  send ether & tokens tab.  Choose either the Private Key or Mnemonic Phrase to enter.  Your private key is available if you click on the little key inside Metamask and then enter your password.  You got the Mnemonic Phrase when you first set up Metamask.  Either one will work when you go to MEW because they are part of Ethereum.  Once you open MEW with your Metamask Private key or Mnemonic, you will be able to move your tokens into your MEW account.  And....if you still haven't generated an EOS key, better do it now.  

One last thing:  keep track of all keys you may have used.  When I changed over, my keys from Metamask changed to keys I had assigned to the MEW address.  I am saving them all on the chance that when EOS goes live, the keys may be different.