UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vwDlleCa0qAifov2mW2kiK+lnVCoB9cOgM0+oy8EASg=' 
WHERE 
  key_id = 'e38c7dd499693da4e82d34dfddbeed870524bbaead4faa2df679ef31c0813330' 
  AND (
    token = 'vwDlleCa0qAifov2mW2kiK+lnVCoB9cOgM0+oy8EASg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )