UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9VCe4M0TTlEEDQRio3S6Zbmy7gk7KAjyqqrszGHUgnQ=' 
WHERE 
  key_id = '6978f2fc0e973accf0832f3a736b0aee748438779019995d3009b94e5f82e8c4' 
  AND (
    token = '9VCe4M0TTlEEDQRio3S6Zbmy7gk7KAjyqqrszGHUgnQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )