INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9c781c10f2aad88c3604dca072eb86fec5ec7462733d3f96f19ba98e20120828', 
    'XMxgrqstTElT0pXa5j+lLepF+nsLJ0XnJjbS73zhqtk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)