INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76d03793253580ae240ca6cd0f628dae4d708a56f8abb4fbb3d6100952aee512', 
    'dHeMjQvmm+7hYc6y+dZYv01HjusD6SiZ1VcYOE3ji0s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)