UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WLpIgXvpGvEWG+S6FfjVX1PItG36NACFkoODxjNc6DQ=' 
WHERE 
  key_id = 'b6e088647095cbe454db08f15af59507b297a866427c0c1894568e07a5415b36' 
  AND (
    token = 'WLpIgXvpGvEWG+S6FfjVX1PItG36NACFkoODxjNc6DQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )