UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm76FpkklLJnliWBPjVIzUXwL0sjhbXcwibnDj//gcqA=' 
WHERE 
  key_id = '23e4be7a5b40fd6543a8fd64e82a5a0b6dedd77f12dd392b9f9b21adee957dc3' 
  AND (
    token = 'm76FpkklLJnliWBPjVIzUXwL0sjhbXcwibnDj//gcqA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )