UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N7lCkn0vwc3WYmJmLblaDODAaQfD1f+F29FnrMq6zes=' 
WHERE 
  key_id = '88c23a4aab1eb1b765230ff11487a9777db6f767a82b147b907cf2885339733f' 
  AND (
    token = 'N7lCkn0vwc3WYmJmLblaDODAaQfD1f+F29FnrMq6zes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )