INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81e721ee889974e52543e0a0d6a3175a72cf342a5a6a72e1a548a3ee510c0f35', 
    '3CFmeOcqrSl2DrwmB7kdhVjfe7qMqeeevjhfGhN3zcU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)