INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '538a03adaa0a52312d6f8a2f8fe020c9a825377210842adbebde30a3005fa4fb', 
    '315Q4fNydRLiGbvVnXH9Amx8xfUf75p/I26bn2MZ0tE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)