UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gCWrZWTzFtPwAJK9OunLl5Fzx2taKMjXaEj3AQYN05o=' 
WHERE 
  key_id = '8682ae90d1e84cffed2b8a08660303b0c9398f16ee914b511d3c06dadf245384' 
  AND (
    token = 'gCWrZWTzFtPwAJK9OunLl5Fzx2taKMjXaEj3AQYN05o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )