INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4b458118022cf1f91c994a2b914f295a9ab4545e2e60c1d226cb31e63fadd879', 
    'lk7lsIi8N/S8JiNsAQf2fVbd8GBsDL1a4yjUI41aRPU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)