UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZxxgsGvpj9m6Ro3qvIsVajSN58TrvFUOALZUvyqoejU=' 
WHERE 
  key_id = 'b6988ba992bee9825fa91dc917cc0967457d0021de5c3ef5058f68dd81878ae5' 
  AND (
    token = 'ZxxgsGvpj9m6Ro3qvIsVajSN58TrvFUOALZUvyqoejU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )