UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uat4p9RyR2M0cF2i+k90wig/FQoQCTwttH46TDRs7/8=' 
WHERE 
  key_id = 'b2bc2bce4cf7cbe2ac065a0bb63bb84a2e9e0a77a2fe0149f9b52fabb4ce3567' 
  AND (
    token = 'Uat4p9RyR2M0cF2i+k90wig/FQoQCTwttH46TDRs7/8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )