INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b12c8315f2fbaafa3265f596d687de1ad18f08bf1490079ddec9b21fa96a74f', 
    'TDWJve40CWDpkNXmhPKxN2ePt9TkNb7sgboLynZEYW0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)