UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DUxbRVClgOLv14oTip5DdkQd6J+xQWg9P03mbyD0YeI=' 
WHERE 
  key_id = '6bd55988bfdc349e48bc580fcdb4233450c01522d538f6d94fed83cdb2cc320d' 
  AND (
    token = 'DUxbRVClgOLv14oTip5DdkQd6J+xQWg9P03mbyD0YeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )