UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9HmiLA+53APzfjeB3lOrKy/7j8J+izqvkFFRbFY4AuQ=' 
WHERE 
  key_id = '39a7d3e3e46916b453b157082e2fa44acccec1c8c0add027dd1c209b01002772' 
  AND (
    token = '9HmiLA+53APzfjeB3lOrKy/7j8J+izqvkFFRbFY4AuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )