INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '158b1ef036ce54ce64512c023ce8d8780c70d3bb3c71e104997f4763d155fe9d', 
    'm5w7HWdL86F2myLLehYoGzzZvCnBoXWrK1wV2uhCr98=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)