INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c2847cf9c733fd5935db1a02022c648158224c894d8b7d1cc421ded1191536d', 
    'ytdCzblZkfMg287lI5pNGTkm2qSt8ksaohoDxHEfoTE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)