UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U9Cm+xS3A2zMlaW2Z/JM94hh5QrwDHNZLmErk+vQf9I=' 
WHERE 
  key_id = '6d52b619908efb57291305df247675d19643f4c0827d7c1aaba37b3515e63004' 
  AND (
    token = 'U9Cm+xS3A2zMlaW2Z/JM94hh5QrwDHNZLmErk+vQf9I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )