UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6751eYBYXqKrFxp9x1pgCq84bPce8nyxo2fty4OeLnA=' 
WHERE 
  key_id = 'c7c5e59fb16fb34017922df0b2b038574a59edc986a61603fdd4bea542109e41' 
  AND (
    token = '6751eYBYXqKrFxp9x1pgCq84bPce8nyxo2fty4OeLnA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )