UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lWzg3vhXMPSuPE4zQjrDZWWgFpYgmdqLaaFyF69/XN0=' 
WHERE 
  key_id = '2e4935729566f071ec690ddd48eb86b8713c02f4596612f52bc61e8836848061' 
  AND (
    token = 'lWzg3vhXMPSuPE4zQjrDZWWgFpYgmdqLaaFyF69/XN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )