UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MedFtMqlLZBC46hoSiOeoFfR4GWaxGzj7/PW4Ize2Z4=' 
WHERE 
  key_id = '8bb879881f1be8c1fc1e055f716ef2087a167058432565795ea3b645c0355001' 
  AND (
    token = 'MedFtMqlLZBC46hoSiOeoFfR4GWaxGzj7/PW4Ize2Z4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )