UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VR5/zJwVFNIUw5U0ZapgksRCsV/WS1UDewbBuSOtfuI=' 
WHERE 
  key_id = 'a976e55ad2037f401234e9b9f06499a7f7301fdd05da46c5a7b2a0354f896518' 
  AND (
    token = 'VR5/zJwVFNIUw5U0ZapgksRCsV/WS1UDewbBuSOtfuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )