UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rh4JkRueaj7yLzeimz2yi7No2M6EPPvG9h6RbfHUeJo=' 
WHERE 
  key_id = '502dbb876c386f343a08aae01d7a0789d5b6d93007d1a34dfd67acf98be514a4' 
  AND (
    token = 'rh4JkRueaj7yLzeimz2yi7No2M6EPPvG9h6RbfHUeJo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )