UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B6p1cUk5MwPYzep35G55dAvOqSrI/iD2xk+VSkD4etU=' 
WHERE 
  key_id = '6520621a0c68d91a97aaf6bd8f196753043048ab21432fe7fd0f100c9deedf01' 
  AND (
    token = 'B6p1cUk5MwPYzep35G55dAvOqSrI/iD2xk+VSkD4etU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )