UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qvZn5uW+8kqebrAOdorjd5y1S/cJnOyZ22KyVQbVcRs=' 
WHERE 
  key_id = 'd15844a173d38eed5e59077385343901dae359c912943d8cc43369d182bd5402' 
  AND (
    token = 'qvZn5uW+8kqebrAOdorjd5y1S/cJnOyZ22KyVQbVcRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )