UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YrLvBaNYpfZxwTS20Cb7t4mO7o9r6wIxqxMhaNjY/pU=' 
WHERE 
  key_id = 'c6ef76a33a67484e1b0d30ca79402c71ceed900451210b5e7b39808aff0bc471' 
  AND (
    token = 'YrLvBaNYpfZxwTS20Cb7t4mO7o9r6wIxqxMhaNjY/pU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )