UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ImMDw/awC0OHwbot2ZW9agOHwk8YC/itmOYVcHRb9vk=' 
WHERE 
  key_id = '520e5cc831e46cf24a9bb01b832731c3ff6f19ac831d83d220c264b66720cff8' 
  AND (
    token = 'ImMDw/awC0OHwbot2ZW9agOHwk8YC/itmOYVcHRb9vk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028