UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k0ny5XDYEyzgH3s2Fs0fisy8338WLTWA6Af76SjRJk8=' 
WHERE 
  key_id = 'c7234d6358bec57f5d710dd8e7979691113bc02a0f40691fedd4f262e3320e2b' 
  AND (
    token = 'k0ny5XDYEyzgH3s2Fs0fisy8338WLTWA6Af76SjRJk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034