UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zqRAO0xJsWUw4aBggkpaefcMw1HJiXdgcofU7sS2cZM=' 
WHERE 
  key_id = '679952d8ae67a02d916483bf1c9ac29538bf0bc07e976f49ef1ad22e0e217bd5' 
  AND (
    token = 'zqRAO0xJsWUw4aBggkpaefcMw1HJiXdgcofU7sS2cZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )