UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G0Pa9iw7qocYMB/54Hvktx9bsOyYYmlqha4hOwnyWHo=' 
WHERE 
  key_id = '4a6088289a56b474f0a3efa5bc5355fc9e9300b1efa311bb31784e7e75fccd23' 
  AND (
    token = 'G0Pa9iw7qocYMB/54Hvktx9bsOyYYmlqha4hOwnyWHo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )