UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iht9dGYl2Zb86ml32M6t0lRnkhGW/R5vZyWT3QySSG0=' 
WHERE 
  key_id = '1abb2e410541ee72c2ad937ca589a1294ea095db4e621521877c9a91016f78e5' 
  AND (
    token = 'iht9dGYl2Zb86ml32M6t0lRnkhGW/R5vZyWT3QySSG0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )