UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ysVYUfskS1SWDBW41KUrNDvw6gktURMgyGakqbvi9KE=' 
WHERE 
  key_id = '75d33c328760a4b009a94d9dadf17b20e9f9c64c740c728d760c2e5039b69e8a' 
  AND (
    token = 'ysVYUfskS1SWDBW41KUrNDvw6gktURMgyGakqbvi9KE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021