UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6wtDwa30vcMW+hsZXmTFjvoYROx08xaYbeKm25SZUc=' 
WHERE 
  key_id = '7b9087e6ffa77663e7f10e4852420b82a7438bec93ff77d0075caf33c90f66f3' 
  AND (
    token = 'r6wtDwa30vcMW+hsZXmTFjvoYROx08xaYbeKm25SZUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )