UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ot4j0konKjhl9IarbxbjDjacJaN1UBzFS8D8SP7MC0A=' 
WHERE 
  key_id = 'f6bb68c4f668f9f937ba80884d07dbadf1ed2337e3f4b35bc0c0be889a3ff6e6' 
  AND (
    token = 'ot4j0konKjhl9IarbxbjDjacJaN1UBzFS8D8SP7MC0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )