UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EaexVFlOf77CP70Zhq/A9MkZQj1GHPGBDtAiV6imdIQ=' 
WHERE 
  key_id = '405ed7dbb2b1998723a2555033a8c4da0b52da4168536e91ead465f65f2d44e5' 
  AND (
    token = 'EaexVFlOf77CP70Zhq/A9MkZQj1GHPGBDtAiV6imdIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )