UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fsCt/MD2d6HQ8Xxpp2iYNkNZ6QYAcSmjHhZJgYbkueY=' 
WHERE 
  key_id = '81a31e734f2aa793359fd8c4c5eabf52d32520f7e56bed95a9b773473e7dc9cc' 
  AND (
    token = 'fsCt/MD2d6HQ8Xxpp2iYNkNZ6QYAcSmjHhZJgYbkueY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )