UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sgmsAecFj7I12HIsWYl8lV1fW5xME9CAj1B2XU1Un/w=' 
WHERE 
  key_id = '84371e5e1d8b83cebc2f8bd1744ac1816846a972144e1b74a46b7c6792c343e3' 
  AND (
    token = 'sgmsAecFj7I12HIsWYl8lV1fW5xME9CAj1B2XU1Un/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )