UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCg6AAE5sacDjPdN27ExZUTTi8drCbngFAyhEVGyIKI=' 
WHERE 
  key_id = '5691e053cde9eb301aea59aff23e9405d41960e53b43f7ec77aef3426cca3cd4' 
  AND (
    token = 'RCg6AAE5sacDjPdN27ExZUTTi8drCbngFAyhEVGyIKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )