UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKVymDlpF+lMM4FUiDTkzmiQ8IRnUVPmAw0KRjpl4fA=' 
WHERE 
  key_id = 'c28d1e93479b779be4cef4b8add44f2e156bcfda7d3209735a5fcc76abef0c4c' 
  AND (
    token = 'RKVymDlpF+lMM4FUiDTkzmiQ8IRnUVPmAw0KRjpl4fA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )