INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c5a421dbff2c119071108ec245f9887a6893047b2850743fa479d3b035c1229', 
    'OvRbtrjoQGrOmlUn4XZ0GsNcQV78QefGl7p2daLCf/U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)