UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euD1iM5sZ9MznuPAKvu832RC3a2sEsC7e81VycHfpw8=' 
WHERE 
  key_id = '38ee4d59a2271a2342939d3adf3f74d917254a18b361d982b7697c2faec70503' 
  AND (
    token = 'euD1iM5sZ9MznuPAKvu832RC3a2sEsC7e81VycHfpw8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )