UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R2UUWeBx+uOM1acK7BZEKBgfy2AgLzscN3LY+2HVDJQ=' 
WHERE 
  key_id = '9b066655c76941db2bca02694166e28084e413840b22c7a67af756b9c0b2729b' 
  AND (
    token = 'R2UUWeBx+uOM1acK7BZEKBgfy2AgLzscN3LY+2HVDJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )