UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BkoEqskkqYbpw9Tps917Cg7rP8+EZ5MyAtno+3onhEA=' 
WHERE 
  key_id = '31777c847153d00eb57ec43f85ea97ed83e81737a4883f8cb39de7d8e0dfcbbb' 
  AND (
    token = 'BkoEqskkqYbpw9Tps917Cg7rP8+EZ5MyAtno+3onhEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )