UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Po0owMCAFpzFsCY71oZoV7eGhJ7nSAoHysMsjmvYTQE=' 
WHERE 
  key_id = '546a8a2559c83bf05ec4237fa1f9e2bb52d12891800758481aa1fdd522673140' 
  AND (
    token = 'Po0owMCAFpzFsCY71oZoV7eGhJ7nSAoHysMsjmvYTQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )