UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kU6ynlVpfwImTqz4n+DCMSmwN+Wbs0DF9I0wfEMAALs=' 
WHERE 
  key_id = '4cfd76b4535e51b319b200ebc390f1a51f61a41b0b4d6e91d5aafeecba4d7e37' 
  AND (
    token = 'kU6ynlVpfwImTqz4n+DCMSmwN+Wbs0DF9I0wfEMAALs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )