INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'd6cfb8b8441ef4d7f2e38d23a37c313c535d6bb5246356b333d6a1d0642b032c', 
    'MiVHwQU644uhCwx7uwGOuXfImJXj1siLrYWSQ0AmDcQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)