UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Dh3uTGjp2n+AIJO0iivl4Vh3owRVLwnRaU+ajaSrGY=' 
WHERE 
  key_id = 'd8474a12aeb28e2a4311042a237ae9ba4c148485a4209cd0ef2077fb957f6e4c' 
  AND (
    token = '8Dh3uTGjp2n+AIJO0iivl4Vh3owRVLwnRaU+ajaSrGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052