UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QXYHtDJb+a7y2xM/1Fvs5fFkw9LQcVlsoTtOXvHzGjw=' 
WHERE 
  key_id = 'de307dde585bd1a06fbb0e077f6c2da4a8504098874e4e52a7048d19945c2d44' 
  AND (
    token = 'QXYHtDJb+a7y2xM/1Fvs5fFkw9LQcVlsoTtOXvHzGjw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00038