UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PIwfzDL3BTyUrWXmNJr9IgkjB5AxNn706jaFwWScC+w=' 
WHERE 
  key_id = '6a9a42123bafa13bb11c2ca1283a746b005d47ccb7fe8897f2eefb998718670e' 
  AND (
    token = 'PIwfzDL3BTyUrWXmNJr9IgkjB5AxNn706jaFwWScC+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )