UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cVnX/NuiVYfj1MGJzJEXjS4vq6UUCyfrLobMnn+tqIs=' 
WHERE 
  key_id = '76770f4531eb614b9ea96f61e12a8613cbe89e91e4a1e76dfe1c78cee1f4b52f' 
  AND (
    token = 'cVnX/NuiVYfj1MGJzJEXjS4vq6UUCyfrLobMnn+tqIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )