UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WK6BIv6sc/SdhFB6MjbeZJnwk0b16dV1f5kcT0xwInE=' 
WHERE 
  key_id = '55d5beae5fffa45b40f7b059711f1ee753ab1cf64f6e0ce2d70c422d1066df1b' 
  AND (
    token = 'WK6BIv6sc/SdhFB6MjbeZJnwk0b16dV1f5kcT0xwInE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )