UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fnMbAR9BhsUStB444/m7fWvp1oGUjy3g8UMzZ8a2n7A=' 
WHERE 
  key_id = '8639d8db85bf4ce256b13477be1a4efc2b96b855349ad6875b4d2a64afe1cd92' 
  AND (
    token = 'fnMbAR9BhsUStB444/m7fWvp1oGUjy3g8UMzZ8a2n7A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )