UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3hfNqkbW5ApyyAu2Z1ohkVLsvNtKZ4DH8yMYmJdCsGM=' 
WHERE 
  key_id = 'c3ab052d8e412e0c3d91e57933c063d8660da9af69f98faf0a08fa51a475a3d9' 
  AND (
    token = '3hfNqkbW5ApyyAu2Z1ohkVLsvNtKZ4DH8yMYmJdCsGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033