UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DNpuxVpqDI3wH4ReFQEU8svq5V7mS400JmxtV7EsiaE=' 
WHERE 
  key_id = '239e56bb1e60bb5aa5d06804c83241d38c471869ee7d621ac69be846db2cab5f' 
  AND (
    token = 'DNpuxVpqDI3wH4ReFQEU8svq5V7mS400JmxtV7EsiaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )