UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '518GcfoCl1R56uU0Ng1MbHG+U4BF9iF+81Q2oix9jcs=' 
WHERE 
  key_id = 'aabdc1a59bb5f33cf0c8a645dea39c34ccb283d3c9ff4d9d7d149a847adefb16' 
  AND (
    token = '518GcfoCl1R56uU0Ng1MbHG+U4BF9iF+81Q2oix9jcs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026