UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RPlVxNu3bLtEqCT22ciuz46T6rOlnxMs0C5ipgkjsLM=' 
WHERE 
  key_id = '3a83e51fca581a07127cadc2e140ca8136012b252f9c518844b7989b83ea6370' 
  AND (
    token = 'RPlVxNu3bLtEqCT22ciuz46T6rOlnxMs0C5ipgkjsLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )