UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zrJSXyIxNT+htPqyZV7/CWEGjHLQnm+VjQxNOrir2ek=' 
WHERE 
  key_id = '50c77696960898f09f341709015d1b8a3046874b2e4912409d18c3182afbfb64' 
  AND (
    token = 'zrJSXyIxNT+htPqyZV7/CWEGjHLQnm+VjQxNOrir2ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )