UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ly7rRRDxV2OqLhKqacTGbLFznv9CW7a9EdwABgPaEAQ=' 
WHERE 
  key_id = '81cc4c6f798b249f2f666e0576a53f4adb33e010689bbf4a77e073fae00b7fac' 
  AND (
    token = 'Ly7rRRDxV2OqLhKqacTGbLFznv9CW7a9EdwABgPaEAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )