UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'emQGtXICC45zgC5XW89NuLdMdBuD9pj3j381QGCH0KI=' 
WHERE 
  key_id = 'a987f8d88a31aad768adff4de6a440d5e00a8857c5e79d73312554ea7b4fedcf' 
  AND (
    token = 'emQGtXICC45zgC5XW89NuLdMdBuD9pj3j381QGCH0KI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )