UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pN8ZOhJv824rnv+mweybjoqp4Q23uGxQ2sn76LM+JBo=' 
WHERE 
  key_id = '7922c135f38e6c1f0c34b93c77faca1c7be6a3e016fed59b9845e77a037af1e2' 
  AND (
    token = 'pN8ZOhJv824rnv+mweybjoqp4Q23uGxQ2sn76LM+JBo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )