INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a7840d6053c3e2a48982e3301d53b5885f21294e7a6f1d4211155152ba15c9a7', 
    '6izpHepqsjUDGHHrny2T86kJGFTRKx8ksyq4BWX8oCg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)