UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YbLj6+x+2yiA+ZfoqZZq7ADzWYnJYMl7z/CPrRfpFfI=' 
WHERE 
  key_id = '604a106e6b4f07292cee3b77a7ac35e4d4b729aff5ac7401a4e8146a1bd60df1' 
  AND (
    token = 'YbLj6+x+2yiA+ZfoqZZq7ADzWYnJYMl7z/CPrRfpFfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024