UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7d4cXMZsb9dvnBj8wkjUIDISvzaXT98I7k1CuZPK7+8=' 
WHERE 
  key_id = '876e47e69f197e0336db40f621c665c11e5e5ecc04611e47e3278065de31840c' 
  AND (
    token = '7d4cXMZsb9dvnBj8wkjUIDISvzaXT98I7k1CuZPK7+8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )