UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yFMUExXfwDSROPOT1CEbsEynBpxQdelqlChLDc/0ItE=' 
WHERE 
  key_id = '73e878d78c902b09f09b26d40535e13a660f01f0a7a1546b5bac4e81b470830b' 
  AND (
    token = 'yFMUExXfwDSROPOT1CEbsEynBpxQdelqlChLDc/0ItE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )