UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CBlezrJjdRU64iaSUDWIZwi51SPPkU9+J21PeXFxKbM=' 
WHERE 
  key_id = '29a8a16e5ee7c1fd764988fd2e3c9be3f165ff42770521f197c9bf5735a5701b' 
  AND (
    token = 'CBlezrJjdRU64iaSUDWIZwi51SPPkU9+J21PeXFxKbM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )