UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QpJ60jjplF1r2cO5P6dBFDfJAzbuazdmEGjHRWtHA8w=' 
WHERE 
  key_id = '83df24e9cbb31c0e95245ef3f72e2fa05134a27e77eca1b640e8d2e2075dad22' 
  AND (
    token = 'QpJ60jjplF1r2cO5P6dBFDfJAzbuazdmEGjHRWtHA8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031