INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50ecca799d135606ca213d0b5605f54eb9c14121b256ba2b3672eb1fa1ff575a', 
    'xev8qL97lPTpDHVKWL2YF/rOKP2YLyUD/k3PlreE7yk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)