UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'slu30u3rG8xaofxCxeimBKvzHAxnjmophkqvX3oQbJM=' 
WHERE 
  key_id = '6a3bc01716d1324a464fc0124e0312233577203caa501ccb97e870fee3261560' 
  AND (
    token = 'slu30u3rG8xaofxCxeimBKvzHAxnjmophkqvX3oQbJM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )