INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1503b1421598205a2651a3d4b555de830468cf2238cef7134fc79f007683a321', 
    'KnNYrZU4Usx77g1dtokcZUtTs5U6iBp77aaqwdGHM2c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)