UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tVkSVfxlySRdki4ml5Nrl5pIKI3hdUZVH58zHprQtk0=' 
WHERE 
  key_id = '50f565812ec7f5cc3e73e5f82eb6e9c4b85f43ca3041120a7f55c90e35faded1' 
  AND (
    token = 'tVkSVfxlySRdki4ml5Nrl5pIKI3hdUZVH58zHprQtk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )