UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dfu4V39fgUE5qTrKVFofIbw33jgDwi+39MhvZgNyXKQ=' 
WHERE 
  key_id = '2b306e60be41b8adda43201bf82a41fd15f1bfc31f04f85da0a1a4e68e56f567' 
  AND (
    token = 'Dfu4V39fgUE5qTrKVFofIbw33jgDwi+39MhvZgNyXKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )