INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5e763a3486cdeb521327da69cc7b3aa3ac0f7cfc2e15b2f49741e80a59346ec5', 
    '38RfPM1pEefKD7T8iePBuDN3cZ3OpHckuMLu5D+0KfY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)