UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CgqP8S8vHc/GxKka4JXylk2pZT/bH6cI+tBky2kthf0=' 
WHERE 
  key_id = '0e4ea5a491186dfc42413b727b6873ad8079624eb7d17f373f0d41967f6e7479' 
  AND (
    token = 'CgqP8S8vHc/GxKka4JXylk2pZT/bH6cI+tBky2kthf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )