UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Pvr/pcrUCyvxojeYlLWLFitwrHMlmdwF/ZI9udN0FVQ=' 
WHERE 
  key_id = '23e5cca56b351358c2237e61d4c5eb783da14df829f724662e773d41124e097c' 
  AND (
    token = 'Pvr/pcrUCyvxojeYlLWLFitwrHMlmdwF/ZI9udN0FVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )