UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f8/zPVsTHoHEYmJZIph9RcSrEGSXq33mD8IRsjX3/Ag=' 
WHERE 
  key_id = '6f4bccc38faf075af94f05df5293bf0778e969e6a86bee7c9b7cb1071fff205e' 
  AND (
    token = 'f8/zPVsTHoHEYmJZIph9RcSrEGSXq33mD8IRsjX3/Ag=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )