INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a12f3df157e0ebe422c79eee792cc3824cc7962c2325fd6d8da15ab877da148d', 
    '6LrfitQwCpciMtfWc2RlS9q9fb9fhjknTT6CHisBemo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)