UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Imhr8wHTvKuqeG7RKxRZL4X5zXUQIcYl0O62iZNKmWQ=' 
WHERE 
  key_id = '838140e649cc91a479bf168dde0183cf65c40668fd2a973ddf46c35d9d34c9d3' 
  AND (
    token = 'Imhr8wHTvKuqeG7RKxRZL4X5zXUQIcYl0O62iZNKmWQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )