UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mwcnmEHd3xbHbnFFDJXAUzdaA3CuMWSILqH9t3NbRVA=' 
WHERE 
  key_id = '50c3810748a1734922201a46ed47860515f62699282ad39dbd880d78eafbed33' 
  AND (
    token = 'mwcnmEHd3xbHbnFFDJXAUzdaA3CuMWSILqH9t3NbRVA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )