UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vRt6kCQQxO1okXzt8LWuwObmuddUZq9UxhNm+rX/FRA=' 
WHERE 
  key_id = 'fb503eaf81774f1d43d817f10bfb64898db5e7a650f50f304847e6003f4c3869' 
  AND (
    token = 'vRt6kCQQxO1okXzt8LWuwObmuddUZq9UxhNm+rX/FRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )