UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N7mUFRoNaG76vd6iodr+VuYsChPtzGEPnt18MS9K7ho=' 
WHERE 
  key_id = '4f2c58ca066ba7cb8cdd9e66b28e99fb40c698425018c229e809723b41619c20' 
  AND (
    token = 'N7mUFRoNaG76vd6iodr+VuYsChPtzGEPnt18MS9K7ho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )