UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6G8aTFbKFDTQBAlRKd5IPoNT0TQY7Lr9D3waH83OXw=' 
WHERE 
  key_id = '340ec8ad3e9f126e483e4f75595bb406d13d958116020d209bf693ddfb17c308' 
  AND (
    token = 'U6G8aTFbKFDTQBAlRKd5IPoNT0TQY7Lr9D3waH83OXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )