UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u5NMoUJ08LITsz17DjVmlWm42QDw+eMhsKM/vTZkIrg=' 
WHERE 
  key_id = '8e935ff0864715abae50439b550e5425697c79baba5a3e1dd931ce088fd9d17d' 
  AND (
    token = 'u5NMoUJ08LITsz17DjVmlWm42QDw+eMhsKM/vTZkIrg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )