UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'frzrKAMI5kxSNlm/KpA74np8KZS3HxVMoFnMsU1KErQ=' 
WHERE 
  key_id = '938b1fb626c44bc7a88437ade2199455940075901f0bdf5746f2537a6a173cf3' 
  AND (
    token = 'frzrKAMI5kxSNlm/KpA74np8KZS3HxVMoFnMsU1KErQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )