UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RgAvfrbeo4FL54W8Ibsw3MK7trujVwOx2KzLF7EJyy4=' 
WHERE 
  key_id = '84f61bd96683b8a5a1017d1810a055cb52ebf96be2724242331221a2074ed51f' 
  AND (
    token = 'RgAvfrbeo4FL54W8Ibsw3MK7trujVwOx2KzLF7EJyy4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )