UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ppVc6ZOzHCgWEwKf+/DELf6B3oWMD1nPPCp6QGNoVlo=' 
WHERE 
  key_id = '1dc956a6d6554d5c9af719ff88e8ced23cb08d8e4321fc5665016624afa513e6' 
  AND (
    token = 'ppVc6ZOzHCgWEwKf+/DELf6B3oWMD1nPPCp6QGNoVlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )