UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5l182fFQ7cmNbu8hRZJHLedR8VT5FNpPu8ZCQ3lkBbE=' 
WHERE 
  key_id = 'e50aa4cb48815efbe338f041e121971aa7da093a49bd92116572fc9228a72b87' 
  AND (
    token = '5l182fFQ7cmNbu8hRZJHLedR8VT5FNpPu8ZCQ3lkBbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )