INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e7ef686ee62a8dfd39db9325f69345b01829bb2933206388239bee292205fdb2', 
    'oMu1r7RFYsPvRzxT9DXlGhQ8QOlwqTTF3Bhe+ZClvPY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)