INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '294f0313338c408cee6115cc8b7c5387823c73e6d7b71ad335abe9b58e6a6fab', 
    '39h8YgagYQOz7QRZptHZB7JKYrQBWQn6cz4A2+4/CUw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)