UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rL/Pvhez8KOTNGD5a4m9EvS9brgstKALKY7y//YQ/Ww=' 
WHERE 
  key_id = '4d686f5f66fed1b132119e5f8c49075b74444d3eea493172b1cd8b23220cce9e' 
  AND (
    token = 'rL/Pvhez8KOTNGD5a4m9EvS9brgstKALKY7y//YQ/Ww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )