UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gfqLdqF1IL6OJpzCgYebA71gOvXTkBEDYKdChlAAxuo=' 
WHERE 
  key_id = '2971d917a22f3ec1c3b3d08ddfc6042a4ea8180e0445fe07c880a30a6ecaf1f0' 
  AND (
    token = 'gfqLdqF1IL6OJpzCgYebA71gOvXTkBEDYKdChlAAxuo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )