UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YhwNBsj61CvhF6yHe9RCtpnXWW1ySH+l8JeAixZEHUw=' 
WHERE 
  key_id = 'c277f7ea395cc5f926589a06c17621016b3cc3e8ec8130344b4e63715f4dfaa5' 
  AND (
    token = 'YhwNBsj61CvhF6yHe9RCtpnXWW1ySH+l8JeAixZEHUw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043