UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v7RnEJB+ZSz+Dr3wVvVDNkdjvHfWRpd5q6inkgfgmyg=' 
WHERE 
  key_id = '939ae26030f45766034cc7e614b5e5b3699363bdb8e44b3576e8f3f3126a4f33' 
  AND (
    token = 'v7RnEJB+ZSz+Dr3wVvVDNkdjvHfWRpd5q6inkgfgmyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )