UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a+xn/m77Z+/02OyThDEmpDGRrs9ceLIGnZrF/XDw8MA=' 
WHERE 
  key_id = '76e035f3760f0ee5b286a844a868aa8c9ce4a2de801be60a93e25e5ada8bd823' 
  AND (
    token = 'a+xn/m77Z+/02OyThDEmpDGRrs9ceLIGnZrF/XDw8MA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )