UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k9KzWE0Tg7txhB4TCAaw188ztRwdfWdgxBctvCraQSU=' 
WHERE 
  key_id = 'a174f1754eb791e4581e2ed70afcf33bd89a6f27162b884e660d7692b7839676' 
  AND (
    token = 'k9KzWE0Tg7txhB4TCAaw188ztRwdfWdgxBctvCraQSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )