UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kk3TFBKjtSy8u402XscKeoYPq2hur9eLlhL2muWnKlo=' 
WHERE 
  key_id = '7ae2d7fd05efb5ddebecea63347e6012afb98ee58e72a85938b73140cc6333f3' 
  AND (
    token = 'Kk3TFBKjtSy8u402XscKeoYPq2hur9eLlhL2muWnKlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )