UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm4r6vY/GI4j1zHVVJbRujSapQFxidqhZUCpb5ZZPwhM=' 
WHERE 
  key_id = '2939734e69dfc7909890762836c6c33691b1792def01c0d75028f84b15f44723' 
  AND (
    token = 'm4r6vY/GI4j1zHVVJbRujSapQFxidqhZUCpb5ZZPwhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023