UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tl1LFmoG54tpHhL7tRKhQXQAjsibNnowOfyDwGsCas8=' 
WHERE 
  key_id = '6c13be92ee1fbece709ce9690a0968f80938d4f28b1161ba4406480e155f542c' 
  AND (
    token = 'tl1LFmoG54tpHhL7tRKhQXQAjsibNnowOfyDwGsCas8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )