INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '556363cce80200d04e8ffb1405a0458a3ee4b9f13b895bfce635b0fd216afb8e', 
    'KE0mcX3dToJpgYLwWajKzqxZkTfgGhmrF6ZGNs9uheo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)