UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4+obvi0HOxRKW2oSJId0uj3ywqdeDlSH92asWXvT7Fc=' 
WHERE 
  key_id = '38645415a1f7b47a8550ed65ce09cfcc650d415df3fb8a05d997974a098c9cc8' 
  AND (
    token = '4+obvi0HOxRKW2oSJId0uj3ywqdeDlSH92asWXvT7Fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )