UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U43OrQ1G1TC/HMdtzibUWU9G2Fqj6QfrfBTIzGPVfuY=' 
WHERE 
  key_id = '8ca3ebc9bf12118a402c13eff0a5350d961afa813f8133401b9f904f78f340b2' 
  AND (
    token = 'U43OrQ1G1TC/HMdtzibUWU9G2Fqj6QfrfBTIzGPVfuY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )