INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '521794be85e54715efe1e3489c2e2126b7f0739ae1cbf977fe15fbcffc58f78a', 
    'x+bjXMs4+hGqij7N91k0FTTHX5rAVpdqxR3PIR98IhE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)