UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ByN4c/20Wblgmn7nImyjmeCdSj8NNDDXeJiYojnkR4c=' 
WHERE 
  key_id = '681c44744ac56c82a29619cfaf49e93bb1ff686fc6849296863731dc1219054e' 
  AND (
    token = 'ByN4c/20Wblgmn7nImyjmeCdSj8NNDDXeJiYojnkR4c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )