UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8LX/TLEItCA2pZHMrFysJ1skntpNF6BAcEOxsOkZjzA=' 
WHERE 
  key_id = '6fceedce822f02646e5a10b5e28054ebe4505806aefb1108cc18ab31aa215064' 
  AND (
    token = '8LX/TLEItCA2pZHMrFysJ1skntpNF6BAcEOxsOkZjzA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029