INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4e6857c2aca58532fea0feb1ea413654cd3f9dc40cec8055250ad35e0e7911fd', 
    'QSM1v6LDqq3L1Hq6yM/oGSuVQJsg96ugYzMWT15evm0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)