UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e4pD8QLhDJoubaLdyn7H0cAEZX3ez9+HNOYYzI5s/OY=' 
WHERE 
  key_id = '4b3f8ed71010d36afe1df1cd7a544f51eb4839a583503ded25dbde586f04e6dd' 
  AND (
    token = 'e4pD8QLhDJoubaLdyn7H0cAEZX3ez9+HNOYYzI5s/OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )