UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uf3eVt8vOqhhXg0j3YTZvCd3svoGcjb+Jho5CKECOxM=' 
WHERE 
  key_id = '4b856e5669f0c8bebf98bccef9621757aa68c6a73f60381dc85f32ed4922c2b2' 
  AND (
    token = 'Uf3eVt8vOqhhXg0j3YTZvCd3svoGcjb+Jho5CKECOxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )