INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5300ec359258adae86d9615199520d7224422339b5440eb88c332c39664d9389', 
    '8LmdbiXBQtVt0HkDxTJC2aCIfKoSB3YXHgNqjeX5Fzs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)