UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nn7ZiESn+tlTTodJywpfggnB8yLAINgxuQQEaKvEAI0=' 
WHERE 
  key_id = 'e21af311f92f0116e87ffae833e4592bc86d91bb709aee3123be9e4824685b1d' 
  AND (
    token = 'Nn7ZiESn+tlTTodJywpfggnB8yLAINgxuQQEaKvEAI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )