UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fla5vqT8qyUPd2GVwzFOxQPKiBicURQ+Oz9yzVoepvs=' 
WHERE 
  key_id = '6692f47529470388ac86c35069621563378f821d08a8c710e707661c6ba16b30' 
  AND (
    token = 'fla5vqT8qyUPd2GVwzFOxQPKiBicURQ+Oz9yzVoepvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )