UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MtkLlJoTmsmZ51vrBAcbZxWALbNoGrTBGcwb1Pl2m6I=' 
WHERE 
  key_id = '4181e755784fa111d8c4579d5d6e5c1c82e8389e7f6b581727301e24316a9ae5' 
  AND (
    token = 'MtkLlJoTmsmZ51vrBAcbZxWALbNoGrTBGcwb1Pl2m6I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )