UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4dwebbNaznZkfyCVEeOuYqPCT6iRTVmuwsRyVeIYgj0=' 
WHERE 
  key_id = '4f94ebd68e3be32a6f0ff99c418797d4230438b75b34dab6eb8feeb44a6b0b29' 
  AND (
    token = '4dwebbNaznZkfyCVEeOuYqPCT6iRTVmuwsRyVeIYgj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )