UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'erFatD2mJkiDxzlAl8z44E1D6UXaMrSzNkxJ0DnqXmc=' 
WHERE 
  key_id = '6c355b81aaa9d6e9a4f4e0b6bc6a5232db3fec12ffe1ba99cc8eafe1ee1a90bd' 
  AND (
    token = 'erFatD2mJkiDxzlAl8z44E1D6UXaMrSzNkxJ0DnqXmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )