UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PIIpgWBjfpHb0o4LxCVCmP8bJ0yi56+SCYz0R3ePhmE=' 
WHERE 
  key_id = 'b6af00de8d86fc2135b27c08f63101a355ba62f4f568503ced133f6151d8838d' 
  AND (
    token = 'PIIpgWBjfpHb0o4LxCVCmP8bJ0yi56+SCYz0R3ePhmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )