UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QO0OaYW6WMt0Db19BrY0ZJwB2YjNib+3DLURUdAnQaU=' 
WHERE 
  key_id = 'ded5ba4c60c94725290a94d5d255f387d1424b8d40b92abc44a92da9976fd03a' 
  AND (
    token = 'QO0OaYW6WMt0Db19BrY0ZJwB2YjNib+3DLURUdAnQaU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039