UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/JMWnS95lkJOhb7ZYu2QXO9w2iSk0okODaIlqFyYu78=' 
WHERE 
  key_id = '540843b7ecb98b1e4227a0067591474a6e14b91c14b59147568af469e6b7f9df' 
  AND (
    token = '/JMWnS95lkJOhb7ZYu2QXO9w2iSk0okODaIlqFyYu78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )