UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rHqRNvtjV8QS7W65c+NArPwEiiOMTWT2lsM8ujF+2tE=' 
WHERE 
  key_id = '939a2bbec6fd34a86540bd912b9ce04f915e0064342df9e68c880ba416bf056e' 
  AND (
    token = 'rHqRNvtjV8QS7W65c+NArPwEiiOMTWT2lsM8ujF+2tE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )