UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '84VhQ8SfkXk8qkLQN4sG8/41zcRH0j8PRYg9HRLXkFk=' 
WHERE 
  key_id = '0540872ed38e14fe5308c1fcdf99095a3c4b2eacdf7bffdeac4f7ab10af68f64' 
  AND (
    token = '84VhQ8SfkXk8qkLQN4sG8/41zcRH0j8PRYg9HRLXkFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )