UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SjhE7241lkBsykfQVDSN5UZLWKXx7yW2bjI73veMspc=' 
WHERE 
  key_id = 'b4ee7e2d19ba10179a2b7248e510b6735517d08cd52fce85d38f0775210a8540' 
  AND (
    token = 'SjhE7241lkBsykfQVDSN5UZLWKXx7yW2bjI73veMspc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )