UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mRld2p7CBU97zngqisqqX6Wy+g5GJUWz/LRAPZASRIs=' 
WHERE 
  key_id = '8cb31fdf6fcd39803987143a8fcb629a413e46bd624739be514dbf9b4f251bc5' 
  AND (
    token = 'mRld2p7CBU97zngqisqqX6Wy+g5GJUWz/LRAPZASRIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )