INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7ce9735096278a485e80d31abab03f3fde2fc1e36038c72574c6e23e7044068f', 
    'db1dFGTS6spH2jmCJtfRMKyhVd4XLiYTyj9d/gelQBw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)