UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gr48/rYja+d8facX1fA6BwM6DNhIKHfNo13Wu+9DvfY=' 
WHERE 
  key_id = '4e2b458b585798f4f3f3b523b232b1baa65776423dfd048b84eb88e36b094102' 
  AND (
    token = 'Gr48/rYja+d8facX1fA6BwM6DNhIKHfNo13Wu+9DvfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )