UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 's5Dc2w0GDE94NVOLLej0pD2UzQAPrvRXcoacR9zD+rE=' 
WHERE 
  key_id = 'c71e82d979bdcc4ad96b3043409f99e2e2548bd0ece7c953ef76fe09b4b7408f' 
  AND (
    token = 's5Dc2w0GDE94NVOLLej0pD2UzQAPrvRXcoacR9zD+rE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )