UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x7URNITPszFZ2liVp2M1zrltfAmPaLf4sfhjZpoU0I4=' 
WHERE 
  key_id = '6acb6484ce71a6befead3388af0ea2daf4018b9761c429832ebcef9490ba4557' 
  AND (
    token = 'x7URNITPszFZ2liVp2M1zrltfAmPaLf4sfhjZpoU0I4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )