UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wU8T0y6CUYaXAoeoGxom2cPHcln7BWTn1s4NCk61nt0=' 
WHERE 
  key_id = '12d7fefb3967ff732a0a0e729c60d4385a4dff110c1ff8044f6f93e4fafae9f2' 
  AND (
    token = 'wU8T0y6CUYaXAoeoGxom2cPHcln7BWTn1s4NCk61nt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )