UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6stO0dFzFYa5gN0JuBXQ4OA+oSH9zoBB0q/CY/qRq4Q=' 
WHERE 
  key_id = '68445c77a4d26548c6985e23c5165fbda4c984d79d7d54df855a5978af373297' 
  AND (
    token = '6stO0dFzFYa5gN0JuBXQ4OA+oSH9zoBB0q/CY/qRq4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )