INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '393ef8991aff4091fe0f64612a0d2dd859f022e72a545662526117b206d76f52', 
    'Q6T344Ilvllix9eAxdVIQYaKbg7kywMS3K/JM/xdmr0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00049

Result

int(1)