UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WMUo/MGFQ8MEDxUt8GJPBAwpPoqfv4hmbp9cfa+VboU=' 
WHERE 
  key_id = '81098276996189d9cc50137f049f515c12017daaae4a7429def3551486a8b21e' 
  AND (
    token = 'WMUo/MGFQ8MEDxUt8GJPBAwpPoqfv4hmbp9cfa+VboU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )