INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50069a082f7cd94f69f678cc1cae01461284dab14884ea696ae22d828def6db3', 
    '3EI8mAq69MjnV7NdDbwrifbe1My1VL1lvRhInUjE2CM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)