UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cTOJzRhOt5mkupEibRxv1i6ULDKPqit96y9dRCGgu4k=' 
WHERE 
  key_id = '6ed1e01777afc2f1b2f0967c2d5a814226d9c648325bffb16b34bcb930f24246' 
  AND (
    token = 'cTOJzRhOt5mkupEibRxv1i6ULDKPqit96y9dRCGgu4k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )