INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f44274437a8c8b75471ed865f3561b37eb299164f521f79fc23d18c4347471', 
    'CEB+oD4h+DGLS6KtYG1xYyflX7478Y5qnZiiJHwRjBw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)