UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BYoXDC9zqeOO8D2GKiQfojOHavMWhWi8orWIcT7vCrI=' 
WHERE 
  key_id = '2d7d17cf696f9653dbd259bf421696822e0121c7787a58f2e646fc12a8fccb42' 
  AND (
    token = 'BYoXDC9zqeOO8D2GKiQfojOHavMWhWi8orWIcT7vCrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )