UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2vk51lcdA0HrOO9cGkQ0BSJ3JkEj94SNB87mmP97qSk=' 
WHERE 
  key_id = 'b4b1613ccd92eb3d985eb405dae035f1a502e384bcf40013372256ec05a79fc2' 
  AND (
    token = '2vk51lcdA0HrOO9cGkQ0BSJ3JkEj94SNB87mmP97qSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )