UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vk70nEaasX+enMYnF9Vt3k52xIetEZbwZl9CHuxHqv4=' 
WHERE 
  key_id = '49b8b1f309bbef64039975f538cf8e341b7efd3042f8930d19e9724363e0151a' 
  AND (
    token = 'Vk70nEaasX+enMYnF9Vt3k52xIetEZbwZl9CHuxHqv4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )