INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd9d261c44a5e072bfb2bfa1726a98c09d1555be13c301a0e8474f9a51fdd0803', 
    '7qk6Dg7c7CYchNUccE4B7100UhsPo35uFspXozjWfCI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)