UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mn9FrZ5BaCZhSBsY675srj4bt3smkmf+SLGoa9jUkgM=' 
WHERE 
  key_id = '099014b642eec034f3057c8c0a6352d0690a0f29b7c352bec9087db4a72afd01' 
  AND (
    token = 'mn9FrZ5BaCZhSBsY675srj4bt3smkmf+SLGoa9jUkgM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029