INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '515968fe9cec3f3c66a0aaeb1406e5424de86826d1d5b2b766824b7504d94a9a', 
    'kk5FQFqlAmbbnoYv5HQpsSOLmUkpJrquj/nEvK9I/g4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)