UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uip7V6xtuojsINcjkhz58pqip5/O31JfQCpSEYK+ZHk=' 
WHERE 
  key_id = '84364d5e56f014d700ac5563bda176176a23e1731e416d0ab990c29672338514' 
  AND (
    token = 'Uip7V6xtuojsINcjkhz58pqip5/O31JfQCpSEYK+ZHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )