UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6lBwZgJsRT3d3CfoUzJ11zOLknwNKn5SMTyib0XvUAM=' 
WHERE 
  key_id = '42740484fd15f3625a5370ded47ce36a723cc084a8849637b51a8b76a4ff0395' 
  AND (
    token = '6lBwZgJsRT3d3CfoUzJ11zOLknwNKn5SMTyib0XvUAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )