UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M/lVfAE1YCI+RIdehuXBxlhJXdvew4zmQjMPj2VGKVs=' 
WHERE 
  key_id = '55a17807f63f4bbfd1487ed0e66952eceaad5820fc75d14e126c5caf16898fb9' 
  AND (
    token = 'M/lVfAE1YCI+RIdehuXBxlhJXdvew4zmQjMPj2VGKVs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )