UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'udKOqCIEGuK0Y9UXLZWsPxVstX77aCPsAQTf5O1EvSc=' 
WHERE 
  key_id = '42738d7dfecd8d0b9059885a8aa8a9b0762c6c29965e33863ee865205eff6e1c' 
  AND (
    token = 'udKOqCIEGuK0Y9UXLZWsPxVstX77aCPsAQTf5O1EvSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )