UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BDasKzVj1RQiWJDlACYH3QnkzZaTjF8wQEHRrX8N64Q=' 
WHERE 
  key_id = '29a21ac9a79341d11c44dd436e228a70a06028a4514e7c5c189160646dbf9eab' 
  AND (
    token = 'BDasKzVj1RQiWJDlACYH3QnkzZaTjF8wQEHRrX8N64Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )