UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'krv3LuL6cxwmpc2nvfaVSlxvLkqEhS88eDYcKYPtjYM=' 
WHERE 
  key_id = '4c92e4547a221182b916cb17c2761a8f15ce4015bceb0593f4e01d9ec4ce24bd' 
  AND (
    token = 'krv3LuL6cxwmpc2nvfaVSlxvLkqEhS88eDYcKYPtjYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )