UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kL81ffm2Laq1CfneUDKfv0Pvu+mfNlcTrlKhowYGUZs=' 
WHERE 
  key_id = '69d556bb1694c27208663cc41e1c7ae60656d8003e7328cf0a0b43df1b5d5442' 
  AND (
    token = 'kL81ffm2Laq1CfneUDKfv0Pvu+mfNlcTrlKhowYGUZs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )