UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWtJEKxNPCWjY2llRJC9A763nnRetWN+wrmofe9NU3Y=' 
WHERE 
  key_id = '81f136393453f3cd8a4270e55dd864e9959b17cf1d76f9f1e27f537f2739a870' 
  AND (
    token = 'PWtJEKxNPCWjY2llRJC9A763nnRetWN+wrmofe9NU3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )