UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vHMrdsDdZsvUO3KHmTZDJ2jhLQOZQhH4i5YyketKTjw=' 
WHERE 
  key_id = '3924eeacf1f56acbf9538e44efb64aad4cc9a7604240f118b7d1d7c6a3c6a7c5' 
  AND (
    token = 'vHMrdsDdZsvUO3KHmTZDJ2jhLQOZQhH4i5YyketKTjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036