UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DfPblt7f56eI+fUEmtVdVsuGQ3vli464TPXxl2JLOmo=' 
WHERE 
  key_id = 'e96886992d63d461bcfddf84b643766aebbe7db1541dc09c900571a3345059fe' 
  AND (
    token = 'DfPblt7f56eI+fUEmtVdVsuGQ3vli464TPXxl2JLOmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )