UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KjzDo2O4sMzNl7yZY6V5pR24uCRnSQvxDyE1gPlIpFY=' 
WHERE 
  key_id = '4c9da681d94b4e9bb2ada280c78f174cfa4ca9f8e52a8f15476248b141b08592' 
  AND (
    token = 'KjzDo2O4sMzNl7yZY6V5pR24uCRnSQvxDyE1gPlIpFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )