UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/x3dMqHvOq9YHxzWuATuL5VJzbCxfIgCQWfYStxKfOE=' 
WHERE 
  key_id = '3cb611c4d5f6d86649787f737f0052176a5151f0637cc271efbc1d919294fd9c' 
  AND (
    token = '/x3dMqHvOq9YHxzWuATuL5VJzbCxfIgCQWfYStxKfOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )