UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZBHy6JxH+VycWQmMoFq4HBVvlHmL9LCeKtGWeXmUNKw=' 
WHERE 
  key_id = 'f0309a99154e6686e55d7f0707e8907911e7e2f4abcd1b2fc346b041657344a2' 
  AND (
    token = 'ZBHy6JxH+VycWQmMoFq4HBVvlHmL9LCeKtGWeXmUNKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00051