UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VEr967RMOJAmlFNX6F9nIjPOhQJtFuoREQvhivbtPdY=' 
WHERE 
  key_id = '4b6cac46d86eba28aa73e3edd96c10a13078f8115fac90d280c1181f7e4a2840' 
  AND (
    token = 'VEr967RMOJAmlFNX6F9nIjPOhQJtFuoREQvhivbtPdY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )