UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4GuZOn/Br0nFUXe41VmsbpaPczwiHACz8AJAdhAdi8o=' 
WHERE 
  key_id = '50eb93d38cdfd85110ff3a91ff30b7329123e0129d75928f2e48b7d70b0994bb' 
  AND (
    token = '4GuZOn/Br0nFUXe41VmsbpaPczwiHACz8AJAdhAdi8o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )