UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KqaDtEvkT4PJ8XsxULqaKN1e8jmLfzXaCK3oNnC09rE=' 
WHERE 
  key_id = 'dc47309f0af350fc2a7749e24dc532c79886ac534966290cd3395535e93add93' 
  AND (
    token = 'KqaDtEvkT4PJ8XsxULqaKN1e8jmLfzXaCK3oNnC09rE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )