UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mi8hH6bXv+uXx56sG2oDXhl7yOIHyxlUYftNtoKCglI=' 
WHERE 
  key_id = '8f221a51f3af5d6ae661cae0b4bc37c058c0d00608b489930a8a8186d2b7fd8f' 
  AND (
    token = 'mi8hH6bXv+uXx56sG2oDXhl7yOIHyxlUYftNtoKCglI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )