UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6AEpwXmPQt8MrU+82PxB1D/5JM4TsPAnWmVnetVntvo=' 
WHERE 
  key_id = '34dd8683d44f237aa2b0b66593d3f520fbb096a7be8ecc0829552df6c1c9d964' 
  AND (
    token = '6AEpwXmPQt8MrU+82PxB1D/5JM4TsPAnWmVnetVntvo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )