INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b473de5853d4a7eb1cf561a6f1d1ebc45f50d1fd9679ad1a8707293893783208', 
    'fn8HkNKgd1Rc8eDt8yWzKUUg7D2Uh69TcUbPmahZOhs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)