UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ScNGYjZCw57njV+DveNkpiKW7xUXWbuqY2RH7EjYOg0=' 
WHERE 
  key_id = '929a7e98d3e707d98fd279bb494f8b95897e2b048658ec47008cdb4c53808f6f' 
  AND (
    token = 'ScNGYjZCw57njV+DveNkpiKW7xUXWbuqY2RH7EjYOg0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )