UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1i4vmk/1r7YbAUz0jK5YIJ7inEv9dxaqfVWMuRwkdI=' 
WHERE 
  key_id = '8fcc1bba84fb6341057a5ea5842a4da3d470afb1000720e18c8299b7e0bcc622' 
  AND (
    token = 'a1i4vmk/1r7YbAUz0jK5YIJ7inEv9dxaqfVWMuRwkdI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )