INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7398506e599130c812ff407eeeb300194a5b98834254e62efda3070db8dfdc03', 
    'gmOVWt1EiHD7gjKpq+VZOmRhHKZLWwQPMdn0CJj0U1I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)