UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pTA5O+MW/EtuIR5Am4efYrhrJlGatRaH+8gtUw6eOHQ=' 
WHERE 
  key_id = '6bd3dc1877add4d8f4c5fc37044d5a3dee65457f0e14aa26f2792f3e9c39fbdf' 
  AND (
    token = 'pTA5O+MW/EtuIR5Am4efYrhrJlGatRaH+8gtUw6eOHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )