UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'un5qUwEh71Aj99eYYL5f+VamI/vuhdvRHH4zhFqE+iM=' 
WHERE 
  key_id = '888e036f18afb8ecb14f808d9d77284715c1a75486aa7d07832bea4c53445019' 
  AND (
    token = 'un5qUwEh71Aj99eYYL5f+VamI/vuhdvRHH4zhFqE+iM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )