UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KxoDqRGouBxDk9vqla7BVhCz5DZ/Nl8pDzRJuHu+MAI=' 
WHERE 
  key_id = '91ae263d2721938dafdefe4897d6094a470307a1d43a522d8f2be98059041fd6' 
  AND (
    token = 'KxoDqRGouBxDk9vqla7BVhCz5DZ/Nl8pDzRJuHu+MAI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )