UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9X76pvBlCFYaJRvXF18jpt8psdMaZjGziEm/VL68Ahs=' 
WHERE 
  key_id = '4315244528c99e01b85767ad2f9b8d5305ade5161f4a2a2facdc26a7705deac7' 
  AND (
    token = '9X76pvBlCFYaJRvXF18jpt8psdMaZjGziEm/VL68Ahs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )