UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PuQL8C1+GjCBDyigO+iLO5dxvbffFmoaSdu7QBbulgc=' 
WHERE 
  key_id = '473511bca538ba3c75a28f16c06ed9a7bc06103e48cd5b01c8d499a5dba94998' 
  AND (
    token = 'PuQL8C1+GjCBDyigO+iLO5dxvbffFmoaSdu7QBbulgc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033