UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fv7l9FdF/1WxERFfT40m8GVzIWuDY38vCS2qql4sHM0=' 
WHERE 
  key_id = '4d81a0a13c85330cc8620e8f1363f406886b27a9aee2b216678cb7add2aebe1a' 
  AND (
    token = 'fv7l9FdF/1WxERFfT40m8GVzIWuDY38vCS2qql4sHM0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )