UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sr7s4oht+tW++XpLps1qoXweofEMvfH29ulI5roX0PM=' 
WHERE 
  key_id = '8b2579c4bb649da71ff8e3493615288e87588794b2a581098582ff7b03adb856' 
  AND (
    token = 'Sr7s4oht+tW++XpLps1qoXweofEMvfH29ulI5roX0PM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033