UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8mZJZX+/437PN8ybElTXFqXDcULRS1CL0IkPQSCvTyk=' 
WHERE 
  key_id = '6f0deabbd0c4e35e9811a6fd37efd6554792429bdec59a5e44ee4489c04660a3' 
  AND (
    token = '8mZJZX+/437PN8ybElTXFqXDcULRS1CL0IkPQSCvTyk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )