UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kdF+SM+FuYkejhwVRJdIygdw872ASAu3npv2R2aCuBc=' 
WHERE 
  key_id = '6c198989939d1d9d8dcd99e916c5a18b73a20a4be1596a53f6bdebde5198e8f5' 
  AND (
    token = 'kdF+SM+FuYkejhwVRJdIygdw872ASAu3npv2R2aCuBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )