UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rMURCXXxkdVAbnkWpnmdvNiU7LkdXyBF0O392nv+yoY=' 
WHERE 
  key_id = '2d15b9a40ff9b985722487941e7b46a23ecabc238773c9f3a07c85727b985d77' 
  AND (
    token = 'rMURCXXxkdVAbnkWpnmdvNiU7LkdXyBF0O392nv+yoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )