UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Jn4mun8MFwQS2dVkzuolkcUX71pQstFbudoQ2PUfco=' 
WHERE 
  key_id = '2e52abf5dbec0d75db39ebdc27732d28e0e87688b9e13f67c771d9059d29ae43' 
  AND (
    token = '4Jn4mun8MFwQS2dVkzuolkcUX71pQstFbudoQ2PUfco=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )