UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ymrf348rP7+h3rPqz/N4xIIiO69AvjYdvlJvp0OC6ME=' 
WHERE 
  key_id = '6f177488ffa018c7efc4367cf0aec64e773c44bbfeff5a6a2676318ac723c69e' 
  AND (
    token = 'ymrf348rP7+h3rPqz/N4xIIiO69AvjYdvlJvp0OC6ME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )