UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'az8HAPLKE+LonIy0VguE6mbeT+yNNRVvIMngyaF78cM=' 
WHERE 
  key_id = 'aa52cd49b79530edd25a646a484fd6706f2a16c388cdaa6dad7a6d78a00fddd0' 
  AND (
    token = 'az8HAPLKE+LonIy0VguE6mbeT+yNNRVvIMngyaF78cM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )