UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z7Cs4YWVuZLic+cgPdhA60fI1paLMNN9u2yxVDde5Zc=' 
WHERE 
  key_id = '6d758a0839a32ba86728178485b9d897bf05c6e7b9b5bb98aa8d82fe2304999b' 
  AND (
    token = 'z7Cs4YWVuZLic+cgPdhA60fI1paLMNN9u2yxVDde5Zc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )