UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DT8FbZUTH8D3H5OxBbQYpEM8gvIiARSnHtsRkU/GXKI=' 
WHERE 
  key_id = '91ac01507504cea3988bd2a29a6231a5411e8718caedb5295cf020dc607add55' 
  AND (
    token = 'DT8FbZUTH8D3H5OxBbQYpEM8gvIiARSnHtsRkU/GXKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )