INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c6a916454d027f4733217d21e622bec4a260042c34af1d8ae9f8d6565848d20a', 
    '1+MG04XTojijVmSCuQxxLI3GkzsbHvHya9vCGoduI0o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)