UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u8ky14vLYLWD9vofkNYFD8v0zPG2a8XUvJauqtBUro0=' 
WHERE 
  key_id = '4426da24dfc092bab17144252e42eda684a3c3e90349e2b244bb5416296aabc2' 
  AND (
    token = 'u8ky14vLYLWD9vofkNYFD8v0zPG2a8XUvJauqtBUro0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )