UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0OaUgDT4qtoA4k8fkCu0USIgUnKkaOm0B92QL/FXhI0=' 
WHERE 
  key_id = '6e5de8198e477b69c1eced7ddb8d0f12a3e0f2528aa51caeb83215818a7bb299' 
  AND (
    token = '0OaUgDT4qtoA4k8fkCu0USIgUnKkaOm0B92QL/FXhI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )