UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8UGXBCr1nftbMABciBnFp9yvH0i+9BBlzKieY47tKPk=' 
WHERE 
  key_id = '10b13e8bbaa78719a17e92ca3c9b5ce6aa875d1783614edb7ae995c95fc322d9' 
  AND (
    token = '8UGXBCr1nftbMABciBnFp9yvH0i+9BBlzKieY47tKPk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )