UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1oPQzpMEj6xHmhafVbQrVV+u5YV3gQGUFuN1jz+wgJI=' 
WHERE 
  key_id = 'd2a2c822e0e33189826c153c75c0f00c5a088bccc83e6262a316a0160a41c641' 
  AND (
    token = '1oPQzpMEj6xHmhafVbQrVV+u5YV3gQGUFuN1jz+wgJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00052