UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8rnO1ejRWBRl6tYe1bMEDmkMm0wHpShyaxgVvkBJ+PY=' 
WHERE 
  key_id = '851b2a6814508e190b123d49647c2053ddea70f94d9e663bd80e73e42b461624' 
  AND (
    token = '8rnO1ejRWBRl6tYe1bMEDmkMm0wHpShyaxgVvkBJ+PY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )