UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Tpn+2HtgDXSdsNC0dcKEqDcIwQDbj6j3+mljzgeHu8=' 
WHERE 
  key_id = '4a8bd521b572027aea1ff0b508e75c8af9e233ff750140878c8e1254a819a1f0' 
  AND (
    token = '8Tpn+2HtgDXSdsNC0dcKEqDcIwQDbj6j3+mljzgeHu8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )