UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uZxLkFg0BYvd6xwP1GkqjgveIYgQarY4ivh2uq5NuSI=' 
WHERE 
  key_id = 'b56479c54d16d4e23ae23baf3e188566579263191199e1e3896d627f1892d8f4' 
  AND (
    token = 'uZxLkFg0BYvd6xwP1GkqjgveIYgQarY4ivh2uq5NuSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )