INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '921fb38cfc543534fca37bd92e3c67af9edd978783433cc91582c7fb556de207', 
    'c38Y7g8VUtSW3wAAUnkcuurjCSXTmw6PYLghz6mdbyY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)