UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VhMyEOijYBrvATogoUvuCocgSHRYmv2qhgiFN04XmCw=' 
WHERE 
  key_id = '50c5ea8213d740662b12946aad3f03f584169409b5648e096327104f4c348867' 
  AND (
    token = 'VhMyEOijYBrvATogoUvuCocgSHRYmv2qhgiFN04XmCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )