UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EVyfkpIlEbWVF+sZN1zpYyz0TBWxbaPe01ANLnpkVJo=' 
WHERE 
  key_id = '51da9c659abaf196d65f58f70560160f0cf76848746c8e25a1566ed863ddab4c' 
  AND (
    token = 'EVyfkpIlEbWVF+sZN1zpYyz0TBWxbaPe01ANLnpkVJo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )