UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xRLYYONSdWObeDCW9dFcExN4eWEP0MB9Jqhzr+NXA68=' 
WHERE 
  key_id = '6b8a8b3ed85dabf1f73d57fc74560f8c8b6d77fd8b1256adb3fc90c9cf4bcdb9' 
  AND (
    token = 'xRLYYONSdWObeDCW9dFcExN4eWEP0MB9Jqhzr+NXA68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )