UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCdubs17Wr4YfaXyHIiNuM/srLS+ZOnq/z75jiQR1YM=' 
WHERE 
  key_id = '79f5c7138fbcb5e6a0c024d4fff95cf83d34b616be2ec1b89e84ec9dffe820a9' 
  AND (
    token = 'MCdubs17Wr4YfaXyHIiNuM/srLS+ZOnq/z75jiQR1YM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )