UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rk9kCL+yw2yW2V3EGPMx3l2aJyB8fvDeBdLvBaRVaaA=' 
WHERE 
  key_id = 'a40f1f8fa89f19d6a4257a5b99f8468c82f1bbd7d7da34f150de4f6ba1046aba' 
  AND (
    token = 'Rk9kCL+yw2yW2V3EGPMx3l2aJyB8fvDeBdLvBaRVaaA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )