UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A8cu4d6q6cKzkim/1QFruCxd8qI6ptKaSQ1U0/+eDZA=' 
WHERE 
  key_id = '81a818f4cb64b0b0437d16d1eaf2634b0c201729e983c0836087052ac79aa276' 
  AND (
    token = 'A8cu4d6q6cKzkim/1QFruCxd8qI6ptKaSQ1U0/+eDZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )