UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6W8Gz1YPUQtq5xXJxlN50SAzuthKVq9zhwPNC1iaJWI=' 
WHERE 
  key_id = '394a7e2309386313dd4f123b17ac5d311d59ea0e6847427d069a9fea9fb2907d' 
  AND (
    token = '6W8Gz1YPUQtq5xXJxlN50SAzuthKVq9zhwPNC1iaJWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )