UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21RXJZ2ym9iTuhHXP5OCeD775hbbzmKrl7wnvbSg3mQ=' 
WHERE 
  key_id = '1512645cee92495805fe8e6672866580c8f5e8e85c0023fdac94ec9b47f1be07' 
  AND (
    token = '21RXJZ2ym9iTuhHXP5OCeD775hbbzmKrl7wnvbSg3mQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )