UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U0wQnL3DloKqebnchX5BMbesI3cuv4ygk8cTuUhYD1k=' 
WHERE 
  key_id = '3256404ab992e4a86535c264114d3e694b2368fbe65cbd60844394058b3dfdec' 
  AND (
    token = 'U0wQnL3DloKqebnchX5BMbesI3cuv4ygk8cTuUhYD1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )