UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L9Ypsl1gZseNYC4v4wGqhMjSQsWFYF6DWThle2VUfgU=' 
WHERE 
  key_id = 'e6479fc4dec80257fad4794096d994023dd8aa415b862276a4f2da7d3a59403b' 
  AND (
    token = 'L9Ypsl1gZseNYC4v4wGqhMjSQsWFYF6DWThle2VUfgU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )