UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't0T/FbJdCBDOACV+1aJf3VvKjEH38brxob9rf8CG8m0=' 
WHERE 
  key_id = 'e1f3a16067d56b30c466f417e9037b6c369da09ce535a24b540c6a37b940280c' 
  AND (
    token = 't0T/FbJdCBDOACV+1aJf3VvKjEH38brxob9rf8CG8m0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023