UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PkPZOuEMFoH/zIc0z28JrIt4SvZc9a3B1uyRA5Vg1PM=' 
WHERE 
  key_id = '21ceaf87a40a6bf48001fdd255dfa077d46734bc8bbf2d4eb86cd5f7b700f404' 
  AND (
    token = 'PkPZOuEMFoH/zIc0z28JrIt4SvZc9a3B1uyRA5Vg1PM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )