UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'arr8Gx1NYbKhslS5EPz35sFr+8evG8ViiytDmm/h464=' 
WHERE 
  key_id = 'b498f666842974b7b6fd6ad3babecfa51073173d886e8de814825251f0495726' 
  AND (
    token = 'arr8Gx1NYbKhslS5EPz35sFr+8evG8ViiytDmm/h464=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )