UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HTml/pkzVC1EE+ntW5XygUGKpAD+5DhuKHJyWv2T6OA=' 
WHERE 
  key_id = 'f0f4891bc04572b6821afeef7a943e145aad6191044e4d1c6f2ddfd2be80a1fe' 
  AND (
    token = 'HTml/pkzVC1EE+ntW5XygUGKpAD+5DhuKHJyWv2T6OA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021