UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RuQNjv0rMv/q9CwQ9Tv/Cknt32KGiWEPArue0izfkoA=' 
WHERE 
  key_id = '1092084108acafa9cf1a625ed3bc6f85dbd17b89efbc049b09ee11144491e3d4' 
  AND (
    token = 'RuQNjv0rMv/q9CwQ9Tv/Cknt32KGiWEPArue0izfkoA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022