UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZlUNuPnzh6WLe3TIbvtme7SLHKdDKskLkFnpeiMXQeo=' 
WHERE 
  key_id = '91dbeda18380176b26fc719fa51fae0be0582a8c945872a26e2224a519354567' 
  AND (
    token = 'ZlUNuPnzh6WLe3TIbvtme7SLHKdDKskLkFnpeiMXQeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )