UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0hWz2Lmqtc8Pqvs2kjTXxm1c9s6l2bvbp5RCShfFUcc=' 
WHERE 
  key_id = 'e3e1bde507f6695d1a56815fcbe86ae626ccf7dec82f9aeb1c3afeae0694cb84' 
  AND (
    token = '0hWz2Lmqtc8Pqvs2kjTXxm1c9s6l2bvbp5RCShfFUcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )