UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bv3zaXGKtOivozj4xd9FGwBITwHT8NSri/6MnvzwRLc=' 
WHERE 
  key_id = '319c090d3a86e6e61b205ad591f6ba8ebc7072151895e87446ccfc78a6806d72' 
  AND (
    token = 'Bv3zaXGKtOivozj4xd9FGwBITwHT8NSri/6MnvzwRLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )