UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4a8HaD9rqLnDG4vP/YQl9ESHSKctBkf9yty8pyKEjhk=' 
WHERE 
  key_id = 'fe16e0891ece29cb6f2e5c7f92ae1fc3970b7f2f2e6e1b38e567cf56fef47b8f' 
  AND (
    token = '4a8HaD9rqLnDG4vP/YQl9ESHSKctBkf9yty8pyKEjhk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )