UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x/dx7C2rg0Ox07WB33wwQJtegIu3l6uLEVjf2hL55lo=' 
WHERE 
  key_id = '157a7a530e1f43e8565a949a60942228efc5fbba34748f19a47e8c10bab411b9' 
  AND (
    token = 'x/dx7C2rg0Ox07WB33wwQJtegIu3l6uLEVjf2hL55lo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )