UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/rFebt6/pxiI/w0rXFaPoWlEFVCwevY3x4s+QrbY4Ek=' 
WHERE 
  key_id = '991949ccce85b7540716b861537bf9c7604cd733267ba97a52560c9b8e5a1e57' 
  AND (
    token = '/rFebt6/pxiI/w0rXFaPoWlEFVCwevY3x4s+QrbY4Ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )