UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3niymD983iySrOgSg6cMSzknc2bxqokt1lbDFnOBnmg=' 
WHERE 
  key_id = '818a8afc222422dbff21b492ca7a92f5796522efe0ed10dad05fa4888d735b55' 
  AND (
    token = '3niymD983iySrOgSg6cMSzknc2bxqokt1lbDFnOBnmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )