UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KW6WB7pjyrbDDkImgVLahzf2y+t8G12AWs+BB1EX8ZU=' 
WHERE 
  key_id = '9a1893ffb192c1e0e201c3ab011e17efdcba507a995d3f03728d294fdf534cf3' 
  AND (
    token = 'KW6WB7pjyrbDDkImgVLahzf2y+t8G12AWs+BB1EX8ZU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )