INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef51d4923c255a51a9851a2271a5f5fe85074b0bc7e36246727795f90a8e1b8a', 
    'zWHk4Y7RiJdwuTygTF/WonHuFRtZmqu9xwq1gpQ9fsY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)