UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OU8vV6q89DvOsWtQYmUmpMAbDmLkYyx4ZIdU2BmXd9Q=' 
WHERE 
  key_id = '0de5050a813124c83ed6ebd36145f49b93156a79b88a90338b440c0bf48c9a8a' 
  AND (
    token = 'OU8vV6q89DvOsWtQYmUmpMAbDmLkYyx4ZIdU2BmXd9Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040