UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KwtBYDMMPjWcW/w2V2wlxdsLcHQzc0GGPIloutjRDNo=' 
WHERE 
  key_id = '6812f898b5e0ee3b97d221206aee63d39ecb46b00984934973d20530b32a7b1e' 
  AND (
    token = 'KwtBYDMMPjWcW/w2V2wlxdsLcHQzc0GGPIloutjRDNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )