UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PdO8NcSI+9rcxdgP3+gUl39lwsMnt9A0RBS9CVbI3i4=' 
WHERE 
  key_id = '6c6c8d65c6022a4a9fa2783dc95446fd4d22ab8eb01f5af920b726556fc98fbb' 
  AND (
    token = 'PdO8NcSI+9rcxdgP3+gUl39lwsMnt9A0RBS9CVbI3i4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )