UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'La1EKuWgrMiy6kjosPMAwZNrtEHgQVgu2o04IxLXrBs=' 
WHERE 
  key_id = '555a228ef09e4c588b7fb92a6fb022b7e4c3ff76d79a76584140685667d6baac' 
  AND (
    token = 'La1EKuWgrMiy6kjosPMAwZNrtEHgQVgu2o04IxLXrBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )