UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/K1bMKrkfqug3OkY4UjxcNQ3W61VBFw3P8PFiIU5AeE=' 
WHERE 
  key_id = 'a1c4a0cef2677b74db25e6f6d38d973e0e3a39cf50792c16e048b30a49164734' 
  AND (
    token = '/K1bMKrkfqug3OkY4UjxcNQ3W61VBFw3P8PFiIU5AeE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )