UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iLJaGom11HVjHKM5N217VtAJpwjwP5sSgd9FLNkM3NY=' 
WHERE 
  key_id = 'ed676037b00feeb65af7dabb47be090ae823e10a9af3d27514c1ae681c7db4bb' 
  AND (
    token = 'iLJaGom11HVjHKM5N217VtAJpwjwP5sSgd9FLNkM3NY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )