UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g09RdD62qb2FCo3+c9CPv0QhbueYgwposB+AkxBNJJY=' 
WHERE 
  key_id = '2f81da787d166311007626f4d7b38c0b20f08ae271aa9b63a0e6d9793150e57c' 
  AND (
    token = 'g09RdD62qb2FCo3+c9CPv0QhbueYgwposB+AkxBNJJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )