UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G68K/IGuD1xFNUd6bHDq3j1px4Ds3HDNxXSPcFQAVvo=' 
WHERE 
  key_id = '8db36e692bbe4044674744df3e39b94e23a60384490ca8f16df29698376267c4' 
  AND (
    token = 'G68K/IGuD1xFNUd6bHDq3j1px4Ds3HDNxXSPcFQAVvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )