UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Po8E2w7hiGUuexFbKyqLrQ4hV2ZJPeq0OUNTgyINzC0=' 
WHERE 
  key_id = '881a1e2fd49616e7d0e4a9ea68e490c7732bb5b7135aa10e43c115eb4b0c8ca2' 
  AND (
    token = 'Po8E2w7hiGUuexFbKyqLrQ4hV2ZJPeq0OUNTgyINzC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )