UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UWUsRheFk/COCvvWEFZYTqiGT4fC/vifXdc8xD4H+Wk=' 
WHERE 
  key_id = '797439cc2e6a78048a549cf95e7baf5602eb84068303cb90290d98df87323ced' 
  AND (
    token = 'UWUsRheFk/COCvvWEFZYTqiGT4fC/vifXdc8xD4H+Wk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )