UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6dPktlADuWeFuyEYkEbew0ssGcQGQvbHHhZBccDrgI=' 
WHERE 
  key_id = '8f94d479c66744d6c6287ccdad35ee69c3140f141a57e5597685248b3f227536' 
  AND (
    token = 'P6dPktlADuWeFuyEYkEbew0ssGcQGQvbHHhZBccDrgI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )