UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jEJmUPQcRiFBNkeymVqBBoPM3Lhjit4SwcYnjehjXxo=' 
WHERE 
  key_id = 'c43a3dda3c80e89443337dcda0179812f7c6ea4ae86a2926235ddee7ba94d078' 
  AND (
    token = 'jEJmUPQcRiFBNkeymVqBBoPM3Lhjit4SwcYnjehjXxo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030