UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd38JeKs29bjwZr/iGtqW5F6cMtOQFF6bMzEZaXk36EY=' 
WHERE 
  key_id = '8a31f5232a185ac696c56a7363f519b6f7c738749e53658a47fa7fca839e95ff' 
  AND (
    token = 'd38JeKs29bjwZr/iGtqW5F6cMtOQFF6bMzEZaXk36EY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )