UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UQ0m++1gE4j2TySgSM2hIxBgreva4vRFgouWeYs8DEw=' 
WHERE 
  key_id = '28c1b79eee6bf7b203ff6b138567bb672bce0dff538d14f055cb558f6f15059a' 
  AND (
    token = 'UQ0m++1gE4j2TySgSM2hIxBgreva4vRFgouWeYs8DEw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )