UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xq9IV7egFOVUFaUF0NAnueivRuXORh3wLsWl2gdxoPw=' 
WHERE 
  key_id = '81af30883718b985e75c1ca03b42c2e39d2d15c92f7939d1190cad0c7951bf01' 
  AND (
    token = 'xq9IV7egFOVUFaUF0NAnueivRuXORh3wLsWl2gdxoPw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )