INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6a25e741586da9643d0acbfec9d3f42ff90f8200b04d8af8907101fa0023113', 
    'zlhiA/fRAEFGADzHITZ7SRNkkjVfmuNtzUWygBK5oIU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)