INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '688fe2c51be3e3bca07871efe0dc8701639cbca9ae266cc71182f865c94bed90', 
    '4d+Wgo7Vm5FSn3pTc4ATQmtnkmEgJOkdD7Lju1mr528=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)