UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OVPtYCrUOfoUyDP6qmzsxjJDmr3OidSrX4xKZyKuouI=' 
WHERE 
  key_id = '84de5636c11ba2f354ac58a610fb3b7b4a04211b6431683e8317c2efeccbac16' 
  AND (
    token = 'OVPtYCrUOfoUyDP6qmzsxjJDmr3OidSrX4xKZyKuouI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )