UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C1z30QoPraAtFPIWw/aIAlOwrvfb096HYDhkobGEACM=' 
WHERE 
  key_id = 'b4e51b04c5128d726f9977644e89699f321abd3d48e7523274496a21a94651aa' 
  AND (
    token = 'C1z30QoPraAtFPIWw/aIAlOwrvfb096HYDhkobGEACM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )