UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BehkLeGIz7cu1ssNw16t/Bvd8gEa38EfbcjehWmomPM=' 
WHERE 
  key_id = '29efb5efa071916d5ae41ef5f0543653ecb56b05a097191e54232efb0483c3af' 
  AND (
    token = 'BehkLeGIz7cu1ssNw16t/Bvd8gEa38EfbcjehWmomPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )