UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PL8sqCT28QV7232VJLj/rf8tCPeXS5cYUx8cbmNqJaw=' 
WHERE 
  key_id = '820029b9b8bcc948c5c3dc63275668e5ab298c5571c3348e42a0bda362c45896' 
  AND (
    token = 'PL8sqCT28QV7232VJLj/rf8tCPeXS5cYUx8cbmNqJaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )