UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/wqytWm1e8/fRdM2ivXbCfQDo6w/EO+fQGsJXM/2pc=' 
WHERE 
  key_id = '8f55d67810844cbd5d373dedd07f47cfdab4823e8a5ab62768b2a05b26a7ed40' 
  AND (
    token = 'r/wqytWm1e8/fRdM2ivXbCfQDo6w/EO+fQGsJXM/2pc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )