UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yBxFLYsw99l8HykRJTJ4VENawtVgr7PX1/YSHYWbSdY=' 
WHERE 
  key_id = '4a9942308bbadf71b214bc9766a1a1ac1ce126e5aae5043005d076c2cce07f80' 
  AND (
    token = 'yBxFLYsw99l8HykRJTJ4VENawtVgr7PX1/YSHYWbSdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )