UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '840WkW9XRN0aDoRD4tQtmXU8LuGKY92pi9eD56nuGlM=' 
WHERE 
  key_id = '1d753349515e3b3da0f142a96ddbdbd703521575c02aaf1110790f7162f7b658' 
  AND (
    token = '840WkW9XRN0aDoRD4tQtmXU8LuGKY92pi9eD56nuGlM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )