UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TFdJ6BjYPNadavQCZI4bgVQQ/tbDI8CnwKTcOJFFsNE=' 
WHERE 
  key_id = '50b75b29c84c710c9a4196837c79a0e23ab9035cf3a6630932964fbe90a01be5' 
  AND (
    token = 'TFdJ6BjYPNadavQCZI4bgVQQ/tbDI8CnwKTcOJFFsNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )