UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lOpJlBKoekysUcaOAa9X7UdrC/hUOXt9u/gS62epac=' 
WHERE 
  key_id = 'a7c3b5e8acce6f754ffa543190c25ebd48ac0fa2a69f0bedf78ae776f8bbf19d' 
  AND (
    token = '6lOpJlBKoekysUcaOAa9X7UdrC/hUOXt9u/gS62epac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )