UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uuCO64KMvtf6XwjNW2STDkEexYKg1xUsJFPix345beg=' 
WHERE 
  key_id = '994fd3f13aca270356ff93212fb7e550e451ef90848776907bca9812dcaf9400' 
  AND (
    token = 'uuCO64KMvtf6XwjNW2STDkEexYKg1xUsJFPix345beg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )