INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9821e6d9bb2add5968a7c2da7dc80d1537e29d03187179a537f2508ee32ee524', 
    'LAv4avD0N+guOtK4F5+FfoUpYjpSou5yv94TR4Ntj4I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)