INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6746ddcbb8695059098eb7c98cc732656ac52b7b1c1207d3eb9636de9b5ae842', 
    'Kc1DNhhhwYo2HLTC4qcVULu1J38e1vlBh0x/V0BQ8iw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)