UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2+ewYUpEu+reamn0zKFW0NeP3oetv5HoX1LNaPbpbI=' 
WHERE 
  key_id = '31d37e7783f7aa1159db7db688cd1d77803b8904de9c4b0490c506a7f0c78788' 
  AND (
    token = 'n2+ewYUpEu+reamn0zKFW0NeP3oetv5HoX1LNaPbpbI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )