PROBLEM SOLVED AFTER ONE WEEK USING ELECTRUM WALLET.
THOSE TWO UNCONFIRMED TRANSACTIONS REMOVED FROM MEMPOOL AND NEW ONE WITH HIGHER FEE CONFIRMED AFTER 30 MINUTES.
PEOPLE WHO READ THIS :
NEVER USE 10 SATOSHI / BYTE AS YOUR FEE AND DO N'T LISTEN THAT SUGGESTION IN THIS THREAD.
LOW FEE = BIG TROUBLE = NEVER CONFIRM = YOU SHOULD WAIT WEEKS TO SEE WHAT HAPPENS