UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Vn1Ugm9+FpVOVYL4teseKdKznlpiRRrGYBBq3OLMKY=' 
WHERE 
  key_id = 'a2453743c3e94627048f6e233f8ebef2ff8c624e16549c94888acb57d2a9e6d8' 
  AND (
    token = '/Vn1Ugm9+FpVOVYL4teseKdKznlpiRRrGYBBq3OLMKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )