UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5X3OKdNDLa0/DYsletISw3mw9P1HtSf0SQ7HZ7pEJTU=' 
WHERE 
  key_id = '51d10d60d9ef0056988587fa6fdd08df66e973b0b6ba54ccfb053e71c9af3bd3' 
  AND (
    token = '5X3OKdNDLa0/DYsletISw3mw9P1HtSf0SQ7HZ7pEJTU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )