UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9LxvI2nAplfLwyrjnKl7VM52rS9njM+hK9XpNPKiCr4=' 
WHERE 
  key_id = '4d76755564be4264cf32da57f3d7465bb94a2a2105860d29c7f7a61288959f42' 
  AND (
    token = '9LxvI2nAplfLwyrjnKl7VM52rS9njM+hK9XpNPKiCr4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )