UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CnJrgf2hES+SVa+VrlyzRGttbPoPSWXVO/dan0/CsBc=' 
WHERE 
  key_id = 'e21ba4fb4ec11419fca8b29938e8239f0b94647dfcd5dbe091cc88bc38e6202f' 
  AND (
    token = 'CnJrgf2hES+SVa+VrlyzRGttbPoPSWXVO/dan0/CsBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )