UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r7beUNwfc7e/877hQsBafht5EzwbPBy3X2QlprpvgFI=' 
WHERE 
  key_id = 'b6764af3984be235210a16a1a5d8d240a0cfe1ff92113275d409237cf9508cec' 
  AND (
    token = 'r7beUNwfc7e/877hQsBafht5EzwbPBy3X2QlprpvgFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )