UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ziIyYVBL+5U0XgS2I1djPm72xlVR5gCF+1TnUAVYyfQ=' 
WHERE 
  key_id = 'c99d2a0f1408aa797dfbd199df3c0d61f8ee5227c8ae989e43f1e493b1e8ec5c' 
  AND (
    token = 'ziIyYVBL+5U0XgS2I1djPm72xlVR5gCF+1TnUAVYyfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )