UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zdI7Sq2vy1OlQHmxxAw/BFZcr6cjKFCnTbCW4teRNtI=' 
WHERE 
  key_id = 'c834cac3754e2aaec2a4da31c5c9100892f683d0bb01316fecea0bcda325c8ca' 
  AND (
    token = 'zdI7Sq2vy1OlQHmxxAw/BFZcr6cjKFCnTbCW4teRNtI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )