INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c31e2475267444007baa11894cc54e52167f41c3411f7894cdcb89d0ac0372e5', 
    'eBuKZwruoqf6FI1bgCuLmZmd6q2F1fu7E00blZeSXt8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)