UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MQ1jEvryZQedGLXJhYRIiuQQjK2/fVAo8+L6MDUcfmU=' 
WHERE 
  key_id = '21cde3839cd563d5477683d6fa35d81b02231bebd61f62d4bd6c779cec330077' 
  AND (
    token = 'MQ1jEvryZQedGLXJhYRIiuQQjK2/fVAo8+L6MDUcfmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )