UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tNzvTyD8dJahB+Ut7sbrFSkhlBjyuWWvA1v1NobtZlw=' 
WHERE 
  key_id = '20916f86f532afc5b2b72e471049b8c53e495e65a2fa3bd68e25fa92af18184a' 
  AND (
    token = 'tNzvTyD8dJahB+Ut7sbrFSkhlBjyuWWvA1v1NobtZlw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )