INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '915c28f7b001c3145e6b6ae504d724977af44948e01d345704eb07d817e0f68c', 
    'Z6nuQISnLpJeNsr27itBJfbmoy1wbMz7u/kO3YkGcEY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00061

Result

int(1)