UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1AgYple3rdcDz0KbJdl9GjVn+XADu+NahaHhynRuYOY=' 
WHERE 
  key_id = '0becd6015458b8f13738699d5c0e9f7e2c9452e25cd70b3e2f9ec721af635b34' 
  AND (
    token = '1AgYple3rdcDz0KbJdl9GjVn+XADu+NahaHhynRuYOY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )