UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RFrqVDAiZzJzWpfLm/UsaBmeMphcFI9E+bOjdDTuFes=' 
WHERE 
  key_id = '4a971cd446f55ddb1a69df3ccc43535ddd92f9e9ef5f094c9ba3293f9f3ab1eb' 
  AND (
    token = 'RFrqVDAiZzJzWpfLm/UsaBmeMphcFI9E+bOjdDTuFes=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )