UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2K7wB3/MZL+Sl9OPv+KJst2pum7flV5IAw//33fDPuk=' 
WHERE 
  key_id = '7ba6df61133e993284b47173be63675e093d224c1f9dd7eb361834d03d1b8f03' 
  AND (
    token = '2K7wB3/MZL+Sl9OPv+KJst2pum7flV5IAw//33fDPuk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )