INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '515ca1eca5ef6f8146cd0c68a0a10c41877f98fb5be14d65a11c09166e5454c8', 
    'ppmx+eBKpYe7QooXPz5Yb0Mf4QKTROV8HrhKGsAt318=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)