INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15e46ef910997cd366c614e664c0c7cc0052b3aa34de73150234b044662b543a', 
    'bTgTQZD/eiNAm067x2KoFufNkmgzhmcapEOVh/EgoBU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)