UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkE06jGofBW6T7YbWLAzey3GLpFA+eaOC1xVPHRjxcs=' 
WHERE 
  key_id = '6a4250b3f94d4a16eb2e4e2ecc28dd2614f9ac0e9acb497bb75564fd84352a92' 
  AND (
    token = 'RkE06jGofBW6T7YbWLAzey3GLpFA+eaOC1xVPHRjxcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )