UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dS8st74iF8PW+tvN3FLTwgrSSZHVkXGuva+QBmwJP0o=' 
WHERE 
  key_id = 'd501cc9f311aef66a8e519de76834c517510c6f5e1f50c06cac4e8ae0fe0b6c6' 
  AND (
    token = 'dS8st74iF8PW+tvN3FLTwgrSSZHVkXGuva+QBmwJP0o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034