UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0C3bmlpw4skx6y5aRcVvtxXupN8ZNMcIYpqdffkpuVs=' 
WHERE 
  key_id = '68c7a5816fbc3be1a8bc05829dd8c0658ab55ece9f017b668e4211a7625d4818' 
  AND (
    token = '0C3bmlpw4skx6y5aRcVvtxXupN8ZNMcIYpqdffkpuVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )