UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xJ7SwwNyTqZ8ZEpWuqXArgUMUU3eamRTkGFdy3qQBMg=' 
WHERE 
  key_id = '16875231a513ac19b695410532fcf335be9dbae000b139724e373842305b2db9' 
  AND (
    token = 'xJ7SwwNyTqZ8ZEpWuqXArgUMUU3eamRTkGFdy3qQBMg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )