UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l/jLb81r5McuCeNIkAYdLT7T86NsWx9FqsaHEWCtnPM=' 
WHERE 
  key_id = '518625825fb621676d5e1ababfc1395166e9a3d04e930a580f19ab61f5136c2c' 
  AND (
    token = 'l/jLb81r5McuCeNIkAYdLT7T86NsWx9FqsaHEWCtnPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )