UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gs8Ejp3nMOUfTcpq+O4fhpmqHUi3zqbALrmWGQF8VqU=' 
WHERE 
  key_id = '6d2a9ad1371afaedcf2a9869a760a8488ce869be884765f538d720735b71f5df' 
  AND (
    token = 'gs8Ejp3nMOUfTcpq+O4fhpmqHUi3zqbALrmWGQF8VqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )