UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S5x/KdSAcgLPc6ue9pDDCcIUgXEGlRkvDeEIgQc2qFM=' 
WHERE 
  key_id = '75e8e16e70151eca7c4fb4d652f821768aa39212c37dad754bd2ccca57a0e76f' 
  AND (
    token = 'S5x/KdSAcgLPc6ue9pDDCcIUgXEGlRkvDeEIgQc2qFM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )