UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5WbzMZMC0DP8ifKgSLuf4xtqh1YFcWNsYJO6nnrovZ4=' 
WHERE 
  key_id = '838540bd2a68f95481af0689e761defccdf90f3733a5cebc608482d3ae77a4b0' 
  AND (
    token = '5WbzMZMC0DP8ifKgSLuf4xtqh1YFcWNsYJO6nnrovZ4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )