UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zg4rkwR787XrAASD1IWzMHIB56dZDhKFPQ3BOuXPHs8=' 
WHERE 
  key_id = '112aaac12797dd95e2e7e72c9173067e4eadab7f36995284a638db4271727639' 
  AND (
    token = 'zg4rkwR787XrAASD1IWzMHIB56dZDhKFPQ3BOuXPHs8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036