INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b6a904cbc77e7c3af1e35fed10756b94a9c9a301fa2adf9527c9d16d3ba562ed', 
    'QrDWg3FRXwWk7Q1EjzTvw6VsOA//+pe5kilCH98T580=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)