UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4GY/uxPOIbup7XdGLDgIAhTOuFhxdM/dNQuqnaEN+OE=' 
WHERE 
  key_id = 'f9fff37b948c8ba09ec93820ea30bb1c0b3edb084f55b8d445b623760cb30f2a' 
  AND (
    token = '4GY/uxPOIbup7XdGLDgIAhTOuFhxdM/dNQuqnaEN+OE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )