INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6ec9937c0b6d9cda41afc5124802d4b6718e9ce2442afa387341a754feda169f', 
    'NnEguYKgYL79ud0GK0ockeZrFr86pfI7no3yflOrps0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)