INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '551a8c9532e084abb8fd325ffdacc3dd5ee3b6412c18836cc5426ee8cd987f3e', 
    'c8aNW9CWsbBNRaF5sqUyMelfw2MjI44FTXA2Pl4Vvic=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)