UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xqZAwiNsZoFVTPeZNg7/oyr7vXP2Yu7iMfoXvX0G1sI=' 
WHERE 
  key_id = '50b02b5e929969b88cf42e4239c4cf81d9570da1b68f5c7d9750ac40fa54a266' 
  AND (
    token = 'xqZAwiNsZoFVTPeZNg7/oyr7vXP2Yu7iMfoXvX0G1sI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )