UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KhmvDQL+fScTcU5E9tz9ND81Po5aRlcSAntu9ry///o=' 
WHERE 
  key_id = '20103dd687e160332b7be736efb50df5fcd14c3872e1b8158195c4ff09a1410b' 
  AND (
    token = 'KhmvDQL+fScTcU5E9tz9ND81Po5aRlcSAntu9ry///o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )