UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uTUWunQ7oXkzoe2IWArn0lggsTW1J43HOBh5C4oQBmQ=' 
WHERE 
  key_id = '6e856d25347e7f4de6cd3df2a256b3d65a1352f72729433357852066125431f4' 
  AND (
    token = 'uTUWunQ7oXkzoe2IWArn0lggsTW1J43HOBh5C4oQBmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )