UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GA3yHksUTlkXrGGEZf8B4YtWdxf8d3ufod3yYR51V9s=' 
WHERE 
  key_id = '1a50651c53bad9f67043eba69b83a7a57c8537969a302fc5f01e28e9eed4a468' 
  AND (
    token = 'GA3yHksUTlkXrGGEZf8B4YtWdxf8d3ufod3yYR51V9s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )