UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'esFWGsmM4WFPWltxnggWzv0zEusz8tamK8t8/g4en8s=' 
WHERE 
  key_id = '6fbcb4a4cb025c833248cecfe0092a6f67cf9fcbe48e1987363f62425be0da9f' 
  AND (
    token = 'esFWGsmM4WFPWltxnggWzv0zEusz8tamK8t8/g4en8s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )