UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+b94HTgwTaOKzDaMrlT78VmBk71Meb1FzL4mJOmvK9g=' 
WHERE 
  key_id = '4111b8b9f380b4a5afe42326654473b8aab8069c2fe7824cf7f949187e6e9111' 
  AND (
    token = '+b94HTgwTaOKzDaMrlT78VmBk71Meb1FzL4mJOmvK9g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )