UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MUkQARkuKgBOhNFlrxnD5TeYdBjrH9X+u0KVOIZclP0=' 
WHERE 
  key_id = '1dd76f39ea633b3727be299db74e430a816218800c8d9b13198b713fd31454be' 
  AND (
    token = 'MUkQARkuKgBOhNFlrxnD5TeYdBjrH9X+u0KVOIZclP0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )