UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KkhLQjQD2fiLUpXyeaYPCxpWXj7dtg0IZP+4amL92OY=' 
WHERE 
  key_id = '12a383f326403b3a43d3705c4380fd68efa4c4924e7bc2d2d87854529ebbcb6f' 
  AND (
    token = 'KkhLQjQD2fiLUpXyeaYPCxpWXj7dtg0IZP+4amL92OY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )