UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYy6cNps4aRAErsmbhBtij7CONjZBXWHgbiErQ2JZJM=' 
WHERE 
  key_id = '37902760ea44172b1207961fee33914c7415014cde9e560a6ece8e121ae54e46' 
  AND (
    token = 'PYy6cNps4aRAErsmbhBtij7CONjZBXWHgbiErQ2JZJM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )