UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8c4epvzVcFgzq8MYLqiJyQ4BJhX5x81aQmUkP4YWW2c=' 
WHERE 
  key_id = '94bfc98a706f675098cc0166bf0bdf288e511f1128607c18e787b581307029c6' 
  AND (
    token = '8c4epvzVcFgzq8MYLqiJyQ4BJhX5x81aQmUkP4YWW2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )