UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rTK14JnascvZ16bfZIO5RMzIZr+vGNhLudvZ/GG6XDg=' 
WHERE 
  key_id = 'd8271b274a203118369a76eaedd61db27442628da2de1b6c38dcc972fdc12558' 
  AND (
    token = 'rTK14JnascvZ16bfZIO5RMzIZr+vGNhLudvZ/GG6XDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035