INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6494ddd3263912e37c305d1a27f2d36e473216a5ee2b758b5f1e989f27447c92', 
    'R4w4MuqJOPV2laQDM3bSZRgIHLkyZ1GpnKTJU0UQmjM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)