UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NxwjLlDzr1qWccSH4gcaA2A2xGIupxrty6yJazDAoMI=' 
WHERE 
  key_id = '6b1d55bb239c876c7ff380e73ff7f084b77d5063f15ebf65938b5c18e3485201' 
  AND (
    token = 'NxwjLlDzr1qWccSH4gcaA2A2xGIupxrty6yJazDAoMI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )