UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vt6dVqtpBb+3/Mbx0daB41dpuFX9ZkJGpTVEgCHICo8=' 
WHERE 
  key_id = '789d1e86a54920519ba1788f3649434b882c9cff4564a716b9ae599393d5d9ab' 
  AND (
    token = 'Vt6dVqtpBb+3/Mbx0daB41dpuFX9ZkJGpTVEgCHICo8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )