UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P85z+ZTfsUZIbPhU4EQzBqC2LCgylXwvTtEFr6cGECA=' 
WHERE 
  key_id = '6e49e4b9d242f5e2ad9ff1ab167a1fb6ec20f1ce0fab37db4f436f3ee91f2428' 
  AND (
    token = 'P85z+ZTfsUZIbPhU4EQzBqC2LCgylXwvTtEFr6cGECA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )