UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GImfRX1wuYmbrxxCGqCKqBcm7JxYKiUtmXJn1NAn72c=' 
WHERE 
  key_id = '8b42744a48c3db499ff4be064e2a24b139a18b04210a92d6e7202f262592b7b8' 
  AND (
    token = 'GImfRX1wuYmbrxxCGqCKqBcm7JxYKiUtmXJn1NAn72c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )