UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eTMm1BTH9StKsnt8UwXdMFxP0D8ceTcv16Pp8timy1c=' 
WHERE 
  key_id = 'c8e0a6fd60544bea671cf55a40a8935072b49228f0d59889a0a767750b607729' 
  AND (
    token = 'eTMm1BTH9StKsnt8UwXdMFxP0D8ceTcv16Pp8timy1c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )