UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6H7yBDOKJGOG/1KBAaX0v35ZwNqUBMoEmEe3Fj8gOzs=' 
WHERE 
  key_id = '4e691615c7a001ff28977c43a6d37e71d0aef4985dbf5fd09c04515bd3a9081d' 
  AND (
    token = '6H7yBDOKJGOG/1KBAaX0v35ZwNqUBMoEmEe3Fj8gOzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )