UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n/pxwHhrp7JUVZqzgV6JGWL/DWpStG8PA2WAP+GOf5E=' 
WHERE 
  key_id = '205706802e704e947d618fe768c11dd74c77b745b071c3f3d604efba2b122b6a' 
  AND (
    token = 'n/pxwHhrp7JUVZqzgV6JGWL/DWpStG8PA2WAP+GOf5E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )