INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6a3da602cbd503a878ca1bd54f05aeed8d1b754b1da33cc832a149983bda49a2', 
    'VjPMZJM0LKzcyfcIRrElhcGY8mJbUgMvNSzqjByYLT0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)