UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bqXklwN2gAgEdEGJugRUhLIj5TETDp5gQ5pOIIwPXRc=' 
WHERE 
  key_id = '919ccc74374af922a517b080b652bcad3cad451f22494cf5a5f27dafb20da778' 
  AND (
    token = 'bqXklwN2gAgEdEGJugRUhLIj5TETDp5gQ5pOIIwPXRc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )