UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kO9fNQrSoM88EYxo1GOjGp7IlY1nx+aze2BX+oE38XI=' 
WHERE 
  key_id = '3e68ae403585b4f0b694ee0fa30e693be419b04a3237129bea5bae9e748f9563' 
  AND (
    token = 'kO9fNQrSoM88EYxo1GOjGp7IlY1nx+aze2BX+oE38XI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )