UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ECKyNC8mtvQ0lK0A5AAI4vKzUbua94+btGwcMjtuuyE=' 
WHERE 
  key_id = '87f57590941ccd4573671f67cb31baab18edc4ecf8da3aab74c2e7b0529b9ac8' 
  AND (
    token = 'ECKyNC8mtvQ0lK0A5AAI4vKzUbua94+btGwcMjtuuyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )