INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4e28a100cbc13d1a6a2d2ad03126528de61ead66c20f40a54c29f734e9fdb99', 
    'MDnEg7nlx9pDgWtf9xZFjOWLsOa3zyMXoB6bWo/NL+k=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)