UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2UnSuo6vSiEW8xCRyJxjyBQQX6Hm1cANvslUCASiKG4=' 
WHERE 
  key_id = '4fc6abefb97a5a8603447b2c66e2ac4af155ad02f6f7c7ff72aa2fe7c0549500' 
  AND (
    token = '2UnSuo6vSiEW8xCRyJxjyBQQX6Hm1cANvslUCASiKG4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )