INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '402cfa4abbb9ffd5d214cd0bd7eb84c538614ae3f487e53d89181650d9fd7e5c', 
    't6vdvVwbWJas8pNMkTVROwu2QBvuI3UPoeoZpL3HY1A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)