INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6839b28a913e17f800a8a9d9c10beb92d78efdfc7b814ead2ee95eccada56288', 
    'que2gvDMloja9sgnPnzm6BZaL6Eol8GG80vDBBaCUmU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)