UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c4gFuYrms5rIFr5ftDpe40BwwLW2kthauXKoPt3EZDs=' 
WHERE 
  key_id = 'ef40dfcbe812b3daf796623940baa466c8867583792b04af28714693794d87a4' 
  AND (
    token = 'c4gFuYrms5rIFr5ftDpe40BwwLW2kthauXKoPt3EZDs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )