UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BjOh13LxJzbrXKNyefKvOo4Nx91OeMdSqOrKwLwCBdE=' 
WHERE 
  key_id = '81193a1d4339cb144934c6d32b83f2df0a49e9628b11d04516c577b54c612bb8' 
  AND (
    token = 'BjOh13LxJzbrXKNyefKvOo4Nx91OeMdSqOrKwLwCBdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )