UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NmhMx7PVaylf2nEZ6xAz5MGVpDDh1WSIRyE6A1HYS/A=' 
WHERE 
  key_id = '735d51dbd4a2f60dbe999d86d6100a9ddd4089ea08fdd211930af5b0b09ac5d4' 
  AND (
    token = 'NmhMx7PVaylf2nEZ6xAz5MGVpDDh1WSIRyE6A1HYS/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )