INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e888d028173d02aaa9226fd3f1705a42381d2fdfe2a9037d1bdc8b907326d85f', 
    'PRnRfs553RxSDOR1XvpGLnukr+NdUjZGK7eI7SY4M0s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)