UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dDyUXKVFL9MhL434Oh4xQZuO9k6pSHWVI3GAye39PZc=' 
WHERE 
  key_id = '815ec684b1c3932efb3eb252e2dc0639673e399598fed5532e866af49a8edd3e' 
  AND (
    token = 'dDyUXKVFL9MhL434Oh4xQZuO9k6pSHWVI3GAye39PZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )