UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GkLwyx+JqxrZ4PVRjTbSq5oPq3zcNu1xGpbOk1bNNBQ=' 
WHERE 
  key_id = '6c9551bbc8b90036289626874d489f13370aa81573fa8857f150b853ce76b1c4' 
  AND (
    token = 'GkLwyx+JqxrZ4PVRjTbSq5oPq3zcNu1xGpbOk1bNNBQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )