UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/Iy7KU4KMyPMvF6Q2UPH9LDwPosTOMsU6ij/jEEa1ww=' 
WHERE 
  key_id = '77cfb79ac9e7af66731ce35ca1504601dfe4eb4dbd5a6f5c435d3c8d10af873c' 
  AND (
    token = '/Iy7KU4KMyPMvF6Q2UPH9LDwPosTOMsU6ij/jEEa1ww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )