UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'en68/XcTTENK5Fp24X2Zfh0+WQOAZY8HrEitJFXKNnM=' 
WHERE 
  key_id = '276d9257e79ccddd443aa112435c635daf0b629ed1f9acc8ec99cd24a0636bc2' 
  AND (
    token = 'en68/XcTTENK5Fp24X2Zfh0+WQOAZY8HrEitJFXKNnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )