UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ru3aPv4WwQRUy0JXux3B8WId1zJIYycWSJ44v5WbWog=' 
WHERE 
  key_id = '0dd0e61f03b5264ff3b83d6d3ecbc2b00bb452bbf0aca01bb9c4614342faa83d' 
  AND (
    token = 'ru3aPv4WwQRUy0JXux3B8WId1zJIYycWSJ44v5WbWog=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034