UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mkTPNYd6x45VWLfhCz5Zr/H7/S6CQ5QwhL8qj/dTfqk=' 
WHERE 
  key_id = '6a08390d35c0e7d42815824fd0495c5c4c64632fe96862282ee06734fbce2c53' 
  AND (
    token = 'mkTPNYd6x45VWLfhCz5Zr/H7/S6CQ5QwhL8qj/dTfqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )