UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+gDirHe0Ln96uGgyUEOpCxqhzlP75AU0L730CPqVaqQ=' 
WHERE 
  key_id = '14efcd6fd9c4d70c372e86c8d467e201d851b8dd7b6409209c731c1347e0c434' 
  AND (
    token = '+gDirHe0Ln96uGgyUEOpCxqhzlP75AU0L730CPqVaqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )