UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6QRP+LEUIK0XwzL29zVgBM31oxabjcOhK269KFBnXQU=' 
WHERE 
  key_id = '512b321858f8462e9477dbb04fe9b22be8e534079e73075c5cf918bcdf87d6a7' 
  AND (
    token = '6QRP+LEUIK0XwzL29zVgBM31oxabjcOhK269KFBnXQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )