UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+AExBgbVmqQaJLpBWJKUqYOYbdWaCApvjrm0uO5wUSY=' 
WHERE 
  key_id = 'e1f623d5be76db16675b269f746b540f1f559b60a7a7eab8eb41e24db4411602' 
  AND (
    token = '+AExBgbVmqQaJLpBWJKUqYOYbdWaCApvjrm0uO5wUSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )