UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k5+ghSAhdejaA2iG/zN5ITtnVtfa5X9+zY2YdMcjxyI=' 
WHERE 
  key_id = '50abb1686aebd34a3c08059a6603d178ec0aee0a413ec9040f037e29e808bd42' 
  AND (
    token = 'k5+ghSAhdejaA2iG/zN5ITtnVtfa5X9+zY2YdMcjxyI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )