UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9lf32cW6mYfLKV126Om+ikN9zmsjHAuHIawHPkwbViw=' 
WHERE 
  key_id = '39e1a546391f5cbf897149f8a61c4c796cd756a1536a5e80aeeca9af80077a96' 
  AND (
    token = '9lf32cW6mYfLKV126Om+ikN9zmsjHAuHIawHPkwbViw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )