UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ScVzf46hL3Bz9wHJDflLH33flZrFtxiTewrTYZ/g98o=' 
WHERE 
  key_id = '5875d77a43e8a30e523e171f064d535bb7fb751ebf3e886226169d872e59fe6f' 
  AND (
    token = 'ScVzf46hL3Bz9wHJDflLH33flZrFtxiTewrTYZ/g98o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )