UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uC1BqIK746Kf/2irYjdy4nmLfg3OJ2JOD9mFsTEa1tw=' 
WHERE 
  key_id = '470ba39647c8dfc36d6d995c68e154340032990cbc392234874fe317f4a445f9' 
  AND (
    token = 'uC1BqIK746Kf/2irYjdy4nmLfg3OJ2JOD9mFsTEa1tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )