UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G+Jey5gh37enOp+8Ob614Af17taSlKu4E82AFBpcYcY=' 
WHERE 
  key_id = '4fb09b18406c756838a68ffa6a12e624a62bce553e28f6958e7cfd3559e43f11' 
  AND (
    token = 'G+Jey5gh37enOp+8Ob614Af17taSlKu4E82AFBpcYcY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )