UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B8XHP6cYciZcAZIgjCqV38gc8J7aQqvDZZbwmPh1Ggg=' 
WHERE 
  key_id = '620f851a381c2ef3bdf5aaedc91e54ddab786741b238c2f1e1281442f407ac88' 
  AND (
    token = 'B8XHP6cYciZcAZIgjCqV38gc8J7aQqvDZZbwmPh1Ggg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )