UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pTRL8PVvtWDwhXqntKhbexTXFAoJ1s8esItWHy78yhI=' 
WHERE 
  key_id = '81f94ec29f5f19d943b456af27bebe02de1f0994ab8a2fdc344b6f4623749151' 
  AND (
    token = 'pTRL8PVvtWDwhXqntKhbexTXFAoJ1s8esItWHy78yhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )