UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pVkbTzOfn0+8gb74v+eXY6ksK/JTcNvYtodHnjIUgRM=' 
WHERE 
  key_id = '948d31061a8da4619c98ed7131c63a2455028806d55d3a600208de04d1044be4' 
  AND (
    token = 'pVkbTzOfn0+8gb74v+eXY6ksK/JTcNvYtodHnjIUgRM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )