This contract describes a non-transferable ERC 721 token with an update-able token URI data

Non-transferable ERC 721

pragma solidity ^0.5.0;

import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/ERC721MetadataMintable.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC721/ERC721Enumerable.sol";

contract Cert721 is ERC721MetadataMintable, ERC721Enumerable {
    
    constructor (string memory name, string memory symbol) 
        public 
        ERC721Metadata(name, symbol) 
    {
        // solhint-disable-previous-line no-empty-blocks
    }
    
    function transferFrom(address from, address to, uint256 tokenId) public {
        revert("This token is non-tranferrable");
    }
    
    function safeTransferFrom(address from, address to, uint256 tokenId) public {
        revert("This token is non-tranferrable");
    }
    
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes memory _data) public {
        revert("This token is non-tranferrable");
    }
    
    function mintNextTokenWithTokenURI(address to, string memory tokenURI) public onlyMinter returns (bool) {
        uint256 tokenId = _getNextTokenId();
        _mint(to, tokenId);
        _setTokenURI(tokenId, tokenURI);
        return true;
    }

    function _getNextTokenId() private view returns (uint256) {
       return totalSupply().add(1);
    }
    
    function updateTokenURI(uint256 tokenId, string memory tokenURI) onlyMinter public returns (bool) {
        _setTokenURI(tokenId, tokenURI);
        return true;
    }
}