UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5bssGb6VUGjawjsXPXRdsW1/0hzCaxH/jj2TZwMYVZY=' 
WHERE 
  key_id = '81528cbe38e4725dd29e85f33d5791787d33724a3ce2495d8671de1117d5938f' 
  AND (
    token = '5bssGb6VUGjawjsXPXRdsW1/0hzCaxH/jj2TZwMYVZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )