UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LCjc0EYRN3Gnfr9s5zJ7iU2PFHdr1sGSLAbDrjC6GEk=' 
WHERE 
  key_id = 'a269b2a0972cb2e8c540ee72bdfc2482dcc3049f4ec69217b069ab9959cd78c9' 
  AND (
    token = 'LCjc0EYRN3Gnfr9s5zJ7iU2PFHdr1sGSLAbDrjC6GEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )