UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cKn28MJ7N+uxFMCBujqgXtNrEDthKQjKDi/a4JfKDoY=' 
WHERE 
  key_id = 'aa451280b505e11f1122f58341aa22308b96681641a9d8130612918309170bcd' 
  AND (
    token = 'cKn28MJ7N+uxFMCBujqgXtNrEDthKQjKDi/a4JfKDoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )