INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c9c95b7f87522085de483e7d31046904ce879514afedbcb85bf025220933bc1a', 
    'uQYELJ03tVlw5CVFloenAxNfzDZuvxZyCiLPMF0wY4g=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)