UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a9LCd1blLXczFWb3ZNlPYzpBPVMRqnTzVNco+mESXmg=' 
WHERE 
  key_id = 'a1339dc4e13b108b01c88caa3294e6f716f101314d0bee3d5331c27e501ec43f' 
  AND (
    token = 'a9LCd1blLXczFWb3ZNlPYzpBPVMRqnTzVNco+mESXmg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )