UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '04yvk7aly0RC2ZMfObd5peAcTuM7Q0QhgI5mVMgbCGs=' 
WHERE 
  key_id = '2bb6bcb28ae65eb67cc1dba02632de046d9bac4168ea67821834eac1055bb344' 
  AND (
    token = '04yvk7aly0RC2ZMfObd5peAcTuM7Q0QhgI5mVMgbCGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )