UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EjB6yk0pmLLYD1MZeDTrBA0lnGEzY0cI6X3LfntI4k8=' 
WHERE 
  key_id = '94843de8f8711a11ddf2aac23f8abceca6c27fe007f4fe2c345e6bf1e17f9b79' 
  AND (
    token = 'EjB6yk0pmLLYD1MZeDTrBA0lnGEzY0cI6X3LfntI4k8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )