INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b479c537841ba9f38b912e8842956928c8243e58c1b672e1988660e4398b0db2', 
    'VkUJj67QzGAh+JRoqEyJ4//3VJUyMbT0xn6kR2a9e5c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)