UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '879El4ubrUSMVyte5uF5nbPcKyC0FrEPqrDibPHeDac=' 
WHERE 
  key_id = 'd6b22bfb5a1700b1d7d0e48f6e9558951f483fc7f40ec89054902c334fdc0b2f' 
  AND (
    token = '879El4ubrUSMVyte5uF5nbPcKyC0FrEPqrDibPHeDac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )