UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xWbe5uc1UY3xglHP7ZXmgtWC55S0MD2XIBGH1lKAojI=' 
WHERE 
  key_id = '6bcb5653442749d6cf253a66727564eee9ecb146600c135028bde254ef421c24' 
  AND (
    token = 'xWbe5uc1UY3xglHP7ZXmgtWC55S0MD2XIBGH1lKAojI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )