UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q8BYg9m+pS0w7ggqMVP5XKJWO+oCDGNiyoLNc8H9hWU=' 
WHERE 
  key_id = 'cb43d54af73b75da7379f0074676fb6f7a3355be4a7ca2b195633f1491743713' 
  AND (
    token = 'q8BYg9m+pS0w7ggqMVP5XKJWO+oCDGNiyoLNc8H9hWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )