INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e04ea3fe0b5fc97e261a087b7d37e6f67f6147344f3790455c93b45886ef43', 
    'OOzrePhf+OOtkXN2VVGJnqQme3W1ysIjGsTdE7TiAFg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)