INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b5772c0fcb5ae5c9eb3f6ceac31da64b3c55bc1fb7976bf247605511ef07489', 
    'tYemMW6LDMy/8MYDozu5JS3D1GprgeD6x0zt46tvMN0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)