UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a5HmL51uNJhFG3UtK36mtRIiSOv8lxeSI3CcumjvwDg=' 
WHERE 
  key_id = '9c20b3c065955df01e6b5869ca820f07098ced440cb9158cfc58c4486b508b04' 
  AND (
    token = 'a5HmL51uNJhFG3UtK36mtRIiSOv8lxeSI3CcumjvwDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )