INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '456400137ecba6b966320495274ea07dd19a7d595de8bbc0ad05fc60781efb0b', 
    'Tx2FnjvFvHd0sGA9Drsy6N2kjXnRj0BxiPU1CxANwIQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)