UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OWocOihfl2xO8ziL5VaJwdt9PaA8jMBU0vYeoFc/oSY=' 
WHERE 
  key_id = '6b9be23ac4d64aeb5572ad6486aa850ea2be8daca7e5a1e2d17bc45b94c75719' 
  AND (
    token = 'OWocOihfl2xO8ziL5VaJwdt9PaA8jMBU0vYeoFc/oSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )