UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n5E9RGm0TRPgqTiudkLoNzdGfPZLXg4G81TiCwVhW2U=' 
WHERE 
  key_id = '591de25e2d709d3ad490bdae23a32f92b4ad513b520787288fd5d767657c5c2c' 
  AND (
    token = 'n5E9RGm0TRPgqTiudkLoNzdGfPZLXg4G81TiCwVhW2U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )