UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kuMREMzrmTQ0JJDAzToxwx7Rwa0FGCEq3cNHFvcAJmY=' 
WHERE 
  key_id = 'c8ca2bf6c037b887ae016c902eace83febf32b50b82b95427d4e5e7e4008fb43' 
  AND (
    token = 'kuMREMzrmTQ0JJDAzToxwx7Rwa0FGCEq3cNHFvcAJmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )