UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6AL+PqsNt9XOcZR4Zv3soXKAYgaV2OGV3vIDpoCkCs=' 
WHERE 
  key_id = '839eb15cff4292c9cc363019530f0371987e272969882fb13b08929a63fd6ff9' 
  AND (
    token = 'k6AL+PqsNt9XOcZR4Zv3soXKAYgaV2OGV3vIDpoCkCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )