UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PftOSVL3/xAT++iUDRuc//BwmtcTtRKxD2qb0cMSkIM=' 
WHERE 
  key_id = '6906b319dcbdaa40fb399f6e64598cdde4da693741d69ad7a684aee917ed5e17' 
  AND (
    token = 'PftOSVL3/xAT++iUDRuc//BwmtcTtRKxD2qb0cMSkIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )