UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6mQvSKVDCV3U3PMk5p59WKz43ScEc5hhpEIEU6rI8Q=' 
WHERE 
  key_id = 'dac1ef5e0b3f41ed8b54e3e02ec8b0aa834e35fcd4fecadcc91130d56beb95d8' 
  AND (
    token = 'r6mQvSKVDCV3U3PMk5p59WKz43ScEc5hhpEIEU6rI8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )