UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zcmtscICKy3HpeACVybwqXEcbJ1DB8P2yQiHNGclaW0=' 
WHERE 
  key_id = '521cf7fd0153cde98190d2c3ba9374da8a4c4177b07d66c4297ffc7f94331e23' 
  AND (
    token = 'zcmtscICKy3HpeACVybwqXEcbJ1DB8P2yQiHNGclaW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )