UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a3lADZBho88p6+1bfiRv36ezRJUDygxKfF64pNJkvlo=' 
WHERE 
  key_id = '3947e3e2782030a7a8f41bfdd5017973a3247de89c97c9c528228d58c548977a' 
  AND (
    token = 'a3lADZBho88p6+1bfiRv36ezRJUDygxKfF64pNJkvlo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )