UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oYRBw+oGtdYV6KoNC3O5PDKwDiU7VEo6flQHAeMZjwc=' 
WHERE 
  key_id = '51039ae6e391629863065daf61bcf19071eb87ef0cebb54a5d01a7e012a94a26' 
  AND (
    token = 'oYRBw+oGtdYV6KoNC3O5PDKwDiU7VEo6flQHAeMZjwc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )