INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c21da0dc0d0d3f49b741980be8d7a5434b2f1573e9aefa9a7a29fa850646067a', 
    'n9+WecfvzfxXOVGz5j/qg/zoKTL09z1Jicp3xdiacNo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)