UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5zaCcRixOaJEy6tcM9IfspPPgciVB1WZBWDR2SWeOdQ=' 
WHERE 
  key_id = '6a12844afb06e8a72b4da28edf2f279d5ad966286a8b148448fe8c2855a1c304' 
  AND (
    token = '5zaCcRixOaJEy6tcM9IfspPPgciVB1WZBWDR2SWeOdQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )