UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EXIRu6aV7HmZ8TXjV6MABnwOzs5gYDsTdNCummkKjpc=' 
WHERE 
  key_id = '79ff3896eac5c1c400e4e00f4144a61e201ec8b63e31d7e4c90747251d82e6e6' 
  AND (
    token = 'EXIRu6aV7HmZ8TXjV6MABnwOzs5gYDsTdNCummkKjpc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )