UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J5NVHJ9r8/oYgpDGH0r5ZfCrqFFZjQvjac3/u93Yl1A=' 
WHERE 
  key_id = '51d235b6a925fc530096f8eef33bc19c174e38efb260d491e44a062f0279eef5' 
  AND (
    token = 'J5NVHJ9r8/oYgpDGH0r5ZfCrqFFZjQvjac3/u93Yl1A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )