UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aQkp1rqeQsyLdY9LCNHmlr9wKjIMXGgm8uhflERdzxc=' 
WHERE 
  key_id = '4c572c506717789484a5b095070cd5c64524ce8fa48229d887c4baef98850998' 
  AND (
    token = 'aQkp1rqeQsyLdY9LCNHmlr9wKjIMXGgm8uhflERdzxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )