UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+51D3z7HOSr2zIUsz/s2K3MiYWDsmNqVS/JvfawgzCM=' 
WHERE 
  key_id = 'c5c4a8588d9a825e2652eaa90138f38e9084e70c1b0616217fde92eb43c40717' 
  AND (
    token = '+51D3z7HOSr2zIUsz/s2K3MiYWDsmNqVS/JvfawgzCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )