UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DLLqLjbGDxQUOWn4cNTh4t9/GToALAQo3pM5GZHElaI=' 
WHERE 
  key_id = '529cbee83eced9471ff42cf36680daedb4c793e922a2fdb250790fcd8b39d95b' 
  AND (
    token = 'DLLqLjbGDxQUOWn4cNTh4t9/GToALAQo3pM5GZHElaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )