UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCN7lJ4YjxpFfDQivLoLFC57ENPWXmeu3imMk8nN9MY=' 
WHERE 
  key_id = '6d7d9bbe3800711824fcb29dbc4709ab89477c5859c1cd7620418f05f8c99067' 
  AND (
    token = 'PCN7lJ4YjxpFfDQivLoLFC57ENPWXmeu3imMk8nN9MY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )