UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PJh4hzXiQESTvoZ8HV5FCuED+4j9Nbzozo5xByCzCX0=' 
WHERE 
  key_id = 'a73c4601093dd8e7524ecc5f74b8522b6a94ed54877745567c82319e8d567d38' 
  AND (
    token = 'PJh4hzXiQESTvoZ8HV5FCuED+4j9Nbzozo5xByCzCX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )