UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xkxJnNc+i7DElKBHAXOeU0U1D5ruXmanJyxiLT62KkQ=' 
WHERE 
  key_id = '81de2d61e0cd20c368bec3e77284a3006e9c56aebd1bbd20fa10f3f460438b19' 
  AND (
    token = 'xkxJnNc+i7DElKBHAXOeU0U1D5ruXmanJyxiLT62KkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )