UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e5BKqOels9+m53M3HrRPfzvitiTvqPZa16UcakPLx0I=' 
WHERE 
  key_id = '121782b770aaa8f2286c0a460343483643e91be87b083a31c2493530d8a0405c' 
  AND (
    token = 'e5BKqOels9+m53M3HrRPfzvitiTvqPZa16UcakPLx0I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )