UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AKga00V8Auh1esbxV+XkDBo9rBwkcD72tgG8FBFIHTQ=' 
WHERE 
  key_id = '6fe7cc69a5c340237a821ebc89001fb67e133f5d583a1762b448788f0ebfb474' 
  AND (
    token = 'AKga00V8Auh1esbxV+XkDBo9rBwkcD72tgG8FBFIHTQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )