UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BmhHEtRbRu3ZE90+dXdn8XGL542q/6DoJ4qcsFbZmhc=' 
WHERE 
  key_id = '756a254896e75a4caebfdba01095b6bc1269420c3284491855377a3954bd2b2e' 
  AND (
    token = 'BmhHEtRbRu3ZE90+dXdn8XGL542q/6DoJ4qcsFbZmhc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )