UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MuotuuCu+RtUsKxKIB8XfHozeEMQl9PjkoMlMywLuT0=' 
WHERE 
  key_id = '28f66f469b8ef5c3b067f46a6c064484829984e1aeda2db1336246c3d2122557' 
  AND (
    token = 'MuotuuCu+RtUsKxKIB8XfHozeEMQl9PjkoMlMywLuT0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )