UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oOWOtGpJC0OSyPwi5ib1t2tWO1OsyJ47KjXpofA3wsI=' 
WHERE 
  key_id = '51c78ff6cff26a313ce0370b56885a6de8c2000b99dc309dc7ff95ffe8d3c007' 
  AND (
    token = 'oOWOtGpJC0OSyPwi5ib1t2tWO1OsyJ47KjXpofA3wsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00066