UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gYJA5xSg+8/VXZ5WVnCiz+x2w6iggDR0tl9BoogyJzM=' 
WHERE 
  key_id = '6e3dc9f7764eef511c399d360e4664b69c8195d2e86669b1d0dfbec5d8d71a52' 
  AND (
    token = 'gYJA5xSg+8/VXZ5WVnCiz+x2w6iggDR0tl9BoogyJzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )