UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zhqkZj3XrLPYLg0wFwF6tdtWFe5DOt8G7D8g6bYHJR8=' 
WHERE 
  key_id = '640c5d18a9f5077d561f8e93aa555e4793721d9e1cbaeeea0e1207679979c431' 
  AND (
    token = 'zhqkZj3XrLPYLg0wFwF6tdtWFe5DOt8G7D8g6bYHJR8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )