INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6729813b674d8570791ccdb5bac755f844c8d20e1c277eddbe1da060f7874c74', 
    'uO3u7KNa81GA1IOeU/wwjusDr0w6H8Jl+E9IK1ZnGDg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)