UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'epWrejPd1WsOtWdZUTkN3L85NrojfbgLF/KT2ZsqslI=' 
WHERE 
  key_id = '861393be36a5bb21f3faa3dfa48f8dedf5d8812e773b9796d8683651b76355bc' 
  AND (
    token = 'epWrejPd1WsOtWdZUTkN3L85NrojfbgLF/KT2ZsqslI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )