UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6+lrUKJMZlapfHePOb4pizLDK5xhrGvKhbe70EKer0A=' 
WHERE 
  key_id = '840ae1e4109f924d1ffae652584a59082bdbbf8feea3766f9c31acdf11a0afaa' 
  AND (
    token = '6+lrUKJMZlapfHePOb4pizLDK5xhrGvKhbe70EKer0A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )