UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+ZBCNGpifN5jlcMnk76LC8HgFj6r0a7UWs+dtjX+4l0=' 
WHERE 
  key_id = 'b6e4e4b96b9c8f41119788c550e456fc974ad2b1ce27864146063de009530a8e' 
  AND (
    token = '+ZBCNGpifN5jlcMnk76LC8HgFj6r0a7UWs+dtjX+4l0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )