INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b760be101934cc5cb96aba8a1149529910b3e18e4abc1d8380ffeec0c7c2a7b3', 
    'jjr1JNG+1ywsxZksF2LM0g1FiCoSiH0F2egKt06JloQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)