UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6gcQRWMsRynRdkF/aLAvN4fjJAEmfBEXKI637gXm/Tc=' 
WHERE 
  key_id = 'a968aa2e6af59552f20a1a6133d75bdc0ff0414f5b3cbc31a8495cc9612f557a' 
  AND (
    token = '6gcQRWMsRynRdkF/aLAvN4fjJAEmfBEXKI637gXm/Tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )