UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K8n8K5Vnp7q7uf2XGl4ShdDQnpBbu/a27eHK2TEZjak=' 
WHERE 
  key_id = '1b87b2a93031582a2eb85fcb97176f3f3c7386bf77e921a945d0d305798571d2' 
  AND (
    token = 'K8n8K5Vnp7q7uf2XGl4ShdDQnpBbu/a27eHK2TEZjak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )