UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xLWcJj73NxHqlydj2A+LKnhXOvkF9eWSlXph/ikkyLU=' 
WHERE 
  key_id = '31768b095414f9d0b6d1ec6da283088f445c15745d5225c2955b5dbb722bab21' 
  AND (
    token = 'xLWcJj73NxHqlydj2A+LKnhXOvkF9eWSlXph/ikkyLU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )