INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f688be1c9480eb1efb7de6c638f9f5938a2337d357e0a34005660444c4befb9', 
    'tbQKRtBegki44W6PDs3ERryA4sXkey2/eTiP5/H14BM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)