INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '993b44a0cef50f8def90db604774b903a3cdb83df7dc769ac8122c266eed10b8', 
    'e5As2fFMgbAIVQ71SsHPR6zzYpSJ5IwgHcEMWnfSuko=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)