UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pynfqj0VG4hRJP1rdGfcZ94l/YH1ZXrSb4lTaQeygdE=' 
WHERE 
  key_id = '6cefddffa92900ee7e2d749d0f78f634e89a8c0e92edc5c577b96e93afe066f5' 
  AND (
    token = 'pynfqj0VG4hRJP1rdGfcZ94l/YH1ZXrSb4lTaQeygdE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )