UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5J4E/rSYtgMN9rrdKEfhsNqUvsaZXf4kU8j3BnPc8xE=' 
WHERE 
  key_id = '684e4f62e3c1fcc2c53b8aa15dc201987553e58e673102ec88abd2a4258acd23' 
  AND (
    token = '5J4E/rSYtgMN9rrdKEfhsNqUvsaZXf4kU8j3BnPc8xE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )