UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8C94VWiRbj024Sf6YTjkqIzYCW9pPm4PJl/gU/KRuUc=' 
WHERE 
  key_id = '6ea64a232f9e1fab23b089e5c661686fc7768ec91086dd31dfb314b2107468b4' 
  AND (
    token = '8C94VWiRbj024Sf6YTjkqIzYCW9pPm4PJl/gU/KRuUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )