UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M3IcFmVYOi+GHX+hOtTNfW5SkCMT1yyFjxvAKOAUkzc=' 
WHERE 
  key_id = '8bd65c8a928e8452a3b5754e9247c4ccad77b879060abb48c68b7276a9d0511a' 
  AND (
    token = 'M3IcFmVYOi+GHX+hOtTNfW5SkCMT1yyFjxvAKOAUkzc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )