UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KLejPaCpiWE8IL3KBdrx2BIrCdKX+UCoyebW8sIM5DE=' 
WHERE 
  key_id = '1788677b233b45e1c31da0ac3a50cbdd1c6817939ae06b811b7a3a2a02ba88af' 
  AND (
    token = 'KLejPaCpiWE8IL3KBdrx2BIrCdKX+UCoyebW8sIM5DE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )