UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/yBP6fw+a7anAwntF8vRBnYybUwJuz5sgd1Vl+75ck=' 
WHERE 
  key_id = '5ab5948460491bc4b1963bbab5d1619e4ee857218ae53d154d8447d03e7e5399' 
  AND (
    token = 'K/yBP6fw+a7anAwntF8vRBnYybUwJuz5sgd1Vl+75ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )