UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6Vih/euOm5ZX+dfgGcHtxafS2lfJMb3cpkE++lzfvz8=' 
WHERE 
  key_id = 'd761a50e426816b2ae3a015e989523ee593245bdabe31f2b80593a9096a68b6f' 
  AND (
    token = '6Vih/euOm5ZX+dfgGcHtxafS2lfJMb3cpkE++lzfvz8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )