UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PNPGXxAg9iWxzevj+AZGfG4ArqwrEnr2z56rkdnPZFg=' 
WHERE 
  key_id = '34e730bb8993f01e6ccb74c289a668b2bf3abfb57cca5765bf80d553fe2df45e' 
  AND (
    token = 'PNPGXxAg9iWxzevj+AZGfG4ArqwrEnr2z56rkdnPZFg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )