UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IuYzNehv4Qu3Kt/ZOFrdththRkrpVMZCS91GKF1aBDM=' 
WHERE 
  key_id = '234e2ba615cc5f0a405b0709b2ce6b5503596c046e107360405ed902ff201abe' 
  AND (
    token = 'IuYzNehv4Qu3Kt/ZOFrdththRkrpVMZCS91GKF1aBDM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )