INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15e8c9c8ac83da38f195cf7a570022fa707b5e1c57b8ef4fc6bc0998bca8c396', 
    'r8fFjRPUiDJnWW8BS84At5Sdkrl6K4mAF0IO7tq+dwA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00051

Result

int(1)