UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'au/rWtThTBTxyndMvPozan6kf9suJ9873yBSAfvFSO8=' 
WHERE 
  key_id = 'd79b675d1441c5f206c882a5bebd6d74a20f6bfb6291d71bd6cb60554c508948' 
  AND (
    token = 'au/rWtThTBTxyndMvPozan6kf9suJ9873yBSAfvFSO8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041