UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYcikCBZ4zT1fnETPqFt5QxrySeaMlwswiV2lv1YRZo=' 
WHERE 
  key_id = '38b9923b7bde144012068993f50c1033a6c2ce920a3fb9a3b8ff0f240e857159' 
  AND (
    token = 'MYcikCBZ4zT1fnETPqFt5QxrySeaMlwswiV2lv1YRZo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )