UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z7tl92OgsraOsj67DV2cgqjLElX6G3w4xfo6wQFJRRc=' 
WHERE 
  key_id = '76105e92048a9796548e70149b8476c038d70e0210b1b34de9241e586bf60a56' 
  AND (
    token = 'z7tl92OgsraOsj67DV2cgqjLElX6G3w4xfo6wQFJRRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )