INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15807eb532a984b53a5e55175128fe615450146efd448b4d8775b7d1250eb2ed', 
    'PyVPoGTrrHZQstYuDhhMi51QbfbafS771/8wKxUOZW8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)