UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fjw4koxGzbBFRXiH8v11PbhsE21I4knj7inGw1SS200=' 
WHERE 
  key_id = '55b6e2185baec82be45b1584e78211b4eb535d598dfaccdcf2a2b97d4d016984' 
  AND (
    token = 'fjw4koxGzbBFRXiH8v11PbhsE21I4knj7inGw1SS200=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )