UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pw46ip3kxE/NGeDnCXU+zKXWz0dmncTK9AGfASvWVXQ=' 
WHERE 
  key_id = '6886a55b5ae47b5ff1293047beda4d438e3232469d5a8ea099f52e9d31f553e5' 
  AND (
    token = 'pw46ip3kxE/NGeDnCXU+zKXWz0dmncTK9AGfASvWVXQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )