UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PTzTmVKlokbHNnxl547nzH0BgHredXtJUCoID49nQTU=' 
WHERE 
  key_id = 'e2c0a2ca854b437df3930ad6964119641c8c85d586943c2e115e83af4abcdffb' 
  AND (
    token = 'PTzTmVKlokbHNnxl547nzH0BgHredXtJUCoID49nQTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )