UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GNLtvrwFI6BcHGyhgXpB86UIiUwdGcpfsHsua8KVNoE=' 
WHERE 
  key_id = '21bf3304e31fa066a67b864c7790d6d9191470189b476792c3926c4f4d9d4b08' 
  AND (
    token = 'GNLtvrwFI6BcHGyhgXpB86UIiUwdGcpfsHsua8KVNoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )