UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rl1xw5PR9Yl9VPJrUjgqVmL60RTQBe184zAgK3USltw=' 
WHERE 
  key_id = 'f237933780f86934db196d323e4a97783802a677cd7eeb311a9a135fd240cefc' 
  AND (
    token = 'rl1xw5PR9Yl9VPJrUjgqVmL60RTQBe184zAgK3USltw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )