INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '91f8ddcc890c5d91e99134a898c7102144fa3f4f3684d1b2ea83cede66eb8d4f', 
    'M7KUhtbEoVWKeND9uWTApxEjubo1kR2z3E8M3jl65VQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)