UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6HdzNQECtP50ybdgKM1RAUmklxhdR6fzr88xKbFHqWs=' 
WHERE 
  key_id = 'a1db9a145fd32645e6515bbca732b7349157a495a26c7848f5f026c69f1b9412' 
  AND (
    token = '6HdzNQECtP50ybdgKM1RAUmklxhdR6fzr88xKbFHqWs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )