UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6zfT7wbv1OSkWfwIX/J6IewqQ6Z8Bewju89imYxcm+8=' 
WHERE 
  key_id = 'a21c60d5205b5c4b9539c7aa73bf2ac7eca84285eacb4eee0c67d053edf54e27' 
  AND (
    token = '6zfT7wbv1OSkWfwIX/J6IewqQ6Z8Bewju89imYxcm+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )