UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gzf8t3VerERrFAZdmaauPpRcvLp7uVpybunvEoHoLaQ=' 
WHERE 
  key_id = '21d3a67e0cfe06091c264a181d52062fae5a52956a4e5318ee8ce38ef743c024' 
  AND (
    token = 'gzf8t3VerERrFAZdmaauPpRcvLp7uVpybunvEoHoLaQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )