UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2yPilf+nuQuKoVPbTCeTyxNuw+CU75ivFdKLtzDmtsk=' 
WHERE 
  key_id = '21f5420344ba296bec105ab25e99cf1cd98395e00d6800814e4ae397896b4c1c' 
  AND (
    token = '2yPilf+nuQuKoVPbTCeTyxNuw+CU75ivFdKLtzDmtsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )