INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21e72cf5ee570c4ce3f9b2480011b360a0212692d9f8db21df111b631fef3812', 
    'BxKRBSA5uo+I1ZT7UjyVx5u4oF7OBXDyJXTYRSH1M4I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)