UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'euiL/9i3NDy5xHJmoJ4QHyiIpHDLiJEVnIw27fXANug=' 
WHERE 
  key_id = '891b82d2a11c24643ff96a0f25992d5282178134ea7431016af8e689098570b5' 
  AND (
    token = 'euiL/9i3NDy5xHJmoJ4QHyiIpHDLiJEVnIw27fXANug=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )