UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o4QVsdWSvk4t+jGOUqEClLHCmMev+WtkddskbliojRY=' 
WHERE 
  key_id = '94937b6017a28bc705a9c0d4049c98eac391d2e720f919138ae8e250f3d803f6' 
  AND (
    token = 'o4QVsdWSvk4t+jGOUqEClLHCmMev+WtkddskbliojRY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )