INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7b44957300af6dcc415c8d00f03dc3f52d1c776ed1390705f57654c5f6fd7950', 
    'a4rwdrMIELPt6Qmzx22KaEJ6EksRB8TdC644WCq2vdk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)