UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QkAtihcitJcAM/5mU36DnqaRiA37qGKDdWZWsRMWsZY=' 
WHERE 
  key_id = 'a6594515245114005c62205844547cb3eada27a3af8d5f705c22bb2e80207c69' 
  AND (
    token = 'QkAtihcitJcAM/5mU36DnqaRiA37qGKDdWZWsRMWsZY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )