UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zk6UOKxBYQIBujn33oPybhoYmGMi3iQ605cxO+HTS7U=' 
WHERE 
  key_id = '7536346d0d82de7026e4d1215049f6be342a471047ef7e119415f2fb8e956d2c' 
  AND (
    token = 'Zk6UOKxBYQIBujn33oPybhoYmGMi3iQ605cxO+HTS7U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )