UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hvnoRfihFmvTyVX492JnDFHGhrVIdTBxqzF6x2IDMeo=' 
WHERE 
  key_id = '51c4994c9b06d82848a883262c99a4e874a2cd3d8d971707a99ed5ad56a26681' 
  AND (
    token = 'hvnoRfihFmvTyVX492JnDFHGhrVIdTBxqzF6x2IDMeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )