UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TkjpDwqQeg/CCHuSNOoQZMWtJ1KzIrQAu5ETHqliw40=' 
WHERE 
  key_id = '21fa1f84bcabfb6acb97e5a710af4624213659d426d1f7c2f399628a234c5fcf' 
  AND (
    token = 'TkjpDwqQeg/CCHuSNOoQZMWtJ1KzIrQAu5ETHqliw40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )