UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KSrxRVPaC8eghkEEH4bqSP8pja6H7HY2nmvn2qzx6mc=' 
WHERE 
  key_id = '2d4fe2ede0a1ba512802c72444e421c5b01a47b442c96bd1262ac94f42c2e978' 
  AND (
    token = 'KSrxRVPaC8eghkEEH4bqSP8pja6H7HY2nmvn2qzx6mc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )