UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pJe0TeySiw4Nn2pXlCu9ZxhIkNPNemXxPJUnNdax058=' 
WHERE 
  key_id = '3f9cd637b19950e16c7e6bd2e2b36c1773c59721843988035675d2932393dd0a' 
  AND (
    token = 'pJe0TeySiw4Nn2pXlCu9ZxhIkNPNemXxPJUnNdax058=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )