UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rJVvlwvc4drNlYKk0brCVnqT+px3UHOnZi8yUCwfLxc=' 
WHERE 
  key_id = '21bab8bc51a91522d0f2eaed5e8c49c5498030a981cf98e96cd5106bbd041c81' 
  AND (
    token = 'rJVvlwvc4drNlYKk0brCVnqT+px3UHOnZi8yUCwfLxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )