UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fnvkz0bDpoHBWKPEiZdr8hZbx9s1VTHKcdbK+CZEMlc=' 
WHERE 
  key_id = '687c0682bd2a8e32bd7540f375a5556b842c9efd5a4c64e578909c4c6568b823' 
  AND (
    token = 'fnvkz0bDpoHBWKPEiZdr8hZbx9s1VTHKcdbK+CZEMlc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )