UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WjTCPUuSJtBUnB/lKBxbfDzFbxcNzfFrX+uO8UDbUCw=' 
WHERE 
  key_id = '76c3a12f32a275d18bcdd961a0e3872d46e2be870a78d1f81b8985bb4db76464' 
  AND (
    token = 'WjTCPUuSJtBUnB/lKBxbfDzFbxcNzfFrX+uO8UDbUCw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )