UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mxYqq2Ecf/6CwyWwcWfCy/RvgIlBcNyAO+LdBJCbl+4=' 
WHERE 
  key_id = 'c71b4187d0dc55b80ffb72ba79e95a4f0f2620d3cb5e4b9ef5f486c860948c54' 
  AND (
    token = 'mxYqq2Ecf/6CwyWwcWfCy/RvgIlBcNyAO+LdBJCbl+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )