UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KMOmhn6/PXjb0iFXzHthvdqWbCwO1NJeuh8V/1TyPgw=' 
WHERE 
  key_id = '2c4a54150aecd8c884701be974bd291d1f37191350a296c6d841354a8bebe46f' 
  AND (
    token = 'KMOmhn6/PXjb0iFXzHthvdqWbCwO1NJeuh8V/1TyPgw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )