UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R4111nq5JGeyP+5xf8HjhSdgpxOQL3DKBzWpoi3BFCY=' 
WHERE 
  key_id = '70bc48f260a684c722cf0d634c6895c677e2e3e301aa79edd717362a2df7f553' 
  AND (
    token = 'R4111nq5JGeyP+5xf8HjhSdgpxOQL3DKBzWpoi3BFCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )