UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rxHqWCl7AVu2KQGZjP5UVPL2icbxb2XmYlbDbIuvgFU=' 
WHERE 
  key_id = '6dc1856f60a6940c7530c21fba7fbe88e651f5c22ccfbedf91e8c3302cc3e627' 
  AND (
    token = 'rxHqWCl7AVu2KQGZjP5UVPL2icbxb2XmYlbDbIuvgFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )