UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S/sN0jYb6tSLAzBT1Ka2tC+ANVgQ6mQqRFKQnJcYuds=' 
WHERE 
  key_id = '8e3c5fdb83a337426e3f2faf9768d1caaaeb137e4ebb6b7a5b32667d2005eb79' 
  AND (
    token = 'S/sN0jYb6tSLAzBT1Ka2tC+ANVgQ6mQqRFKQnJcYuds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )