UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UNz2qWtrm0kmu6q+YfLj7fYlFVuNtwoj6rtXGMyXMxM=' 
WHERE 
  key_id = '78ba4ddc2849f95f3a44a5112734111b983b243be8c1e45a5e9559aa123f750b' 
  AND (
    token = 'UNz2qWtrm0kmu6q+YfLj7fYlFVuNtwoj6rtXGMyXMxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )