UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w1Qx/LDxz6qucopaKv25nL5Cpshn6LBZU5D8p7uGMJc=' 
WHERE 
  key_id = '50a89af680123f061d20d1541441a60d94883f4c3e1ecefdbb2b9c460dc852da' 
  AND (
    token = 'w1Qx/LDxz6qucopaKv25nL5Cpshn6LBZU5D8p7uGMJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )