INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8cbb8987c3bf7753e7b7af4b267aac5258ca6a01f523928d645451583a5855d6', 
    'f2F5RFnzyYQpAp96t/lImXrQwu8EWZpWrO97V2Rcr40=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)