UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'poCBl5iY7TnsFjEk79WfBJXXwa0UkUHHC4xjjVEtoJU=' 
WHERE 
  key_id = '21edc04dfa7527293a06ab5008909f0bff16be62fda185f7f6347fbd18114c12' 
  AND (
    token = 'poCBl5iY7TnsFjEk79WfBJXXwa0UkUHHC4xjjVEtoJU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )