UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r+w/DiS39Q9DdfoRSD+tZdgzT1V7+UV854Uh4tiy9Ww=' 
WHERE 
  key_id = '21713c8b95be1008e167ad07e01956f2685c470c69b00a6ee1c0b075461af450' 
  AND (
    token = 'r+w/DiS39Q9DdfoRSD+tZdgzT1V7+UV854Uh4tiy9Ww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )