UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k+G8Rk8z4nfs7xAZndZ2AK6LU7OnDXIMC45LwlXPaRs=' 
WHERE 
  key_id = '6c8cc858aba3601c68bf73b7e8f3331e8a8f65ec46e26d1f8302b20be0c6349c' 
  AND (
    token = 'k+G8Rk8z4nfs7xAZndZ2AK6LU7OnDXIMC45LwlXPaRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )