UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6BkrMaoZg3velXq4m5itB1k9WbE0ifqaZLXjl+K2ec=' 
WHERE 
  key_id = '8ffb5ab5f39395338ec3d4f25f3fa10eaa9983677650eafaa00139db6d31d5b9' 
  AND (
    token = 'P6BkrMaoZg3velXq4m5itB1k9WbE0ifqaZLXjl+K2ec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )