UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O8ewUMJ4L5rMobWRFvyTPjlkXuAlFIFBVcKmNPUI3PQ=' 
WHERE 
  key_id = '94dd6d5ab42f1a3b7a157108a9fb54576ab07c356234eccd2bbafb48fb62843b' 
  AND (
    token = 'O8ewUMJ4L5rMobWRFvyTPjlkXuAlFIFBVcKmNPUI3PQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )