UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ljo27a23HpjyGgwv2ImETVmEfUvamKMJdZ3UHBF2DV8=' 
WHERE 
  key_id = '6f7678627f17a31d92e766bcf6b06e93fc0c1d42b33e62510af5a1ef3bd40b5e' 
  AND (
    token = 'Ljo27a23HpjyGgwv2ImETVmEfUvamKMJdZ3UHBF2DV8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037