UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6IJx1snUbLYRB4TnFeQ5slih5faNDLYfrtm6Jsw+iYE=' 
WHERE 
  key_id = '4540bcb42e7a5c6b51ff058fe563b541a99a8d8617af58fe976a6824d1614401' 
  AND (
    token = '6IJx1snUbLYRB4TnFeQ5slih5faNDLYfrtm6Jsw+iYE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )