UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w4ScBfQUJLQUPXNcTmHyv8oVL2ELPmO+exuIQgKvdYw=' 
WHERE 
  key_id = '0545aa0cfd39b87a119b7f5468b2c935a573efced4d377822b64539a525de2d9' 
  AND (
    token = 'w4ScBfQUJLQUPXNcTmHyv8oVL2ELPmO+exuIQgKvdYw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )