UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SmCEE1zYxiO4CseTaVzrfHbL0uZpqFkFga2zV/toTSs=' 
WHERE 
  key_id = '53d8ea1ef3c4404c033a70a2ba51ccdadbf10a9dc324fd64b820de0398b966b2' 
  AND (
    token = 'SmCEE1zYxiO4CseTaVzrfHbL0uZpqFkFga2zV/toTSs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )