UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MTLwxL+0eD7CPUT+OXGpa2bf25CKcyN1QCwgmnbtduQ=' 
WHERE 
  key_id = 'a273511a4222c56d780929f20d27e8485a3496bf155259e01e749532bef20876' 
  AND (
    token = 'MTLwxL+0eD7CPUT+OXGpa2bf25CKcyN1QCwgmnbtduQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )