UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AJcRHOaa3a6DbvzHkA3pZxYCpF3rPNDnf/0vacTxYuw=' 
WHERE 
  key_id = '4a435fbbe1d4e321febeb4c73734ea639ce955b6115aa357cfe577e1c39ee88b' 
  AND (
    token = 'AJcRHOaa3a6DbvzHkA3pZxYCpF3rPNDnf/0vacTxYuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )