UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rKUJg0ewuVAtHhs6HP8SgjfwT2nPGEX9d7zFVxkjdLc=' 
WHERE 
  key_id = '79c1d3eec6cda4c9c7ac7728e4b854bfd6855ee7867dd8735d2ed7bc29c230d0' 
  AND (
    token = 'rKUJg0ewuVAtHhs6HP8SgjfwT2nPGEX9d7zFVxkjdLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )