UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xm2L7HX1IqpKj3AZ1qMaplqcy8hms52gXEJWbzY7CGU=' 
WHERE 
  key_id = '1efcbdf6d88c42411bfb03173e356424a00c20bd22da122a99d23b18349f999e' 
  AND (
    token = 'xm2L7HX1IqpKj3AZ1qMaplqcy8hms52gXEJWbzY7CGU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )