INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7d21b75aabe9f7d88a5330b1bac1c0c22fd45dac67e094c6c42b3bd45e5b56a9', 
    '89iAIOo6iUOASKBIbp3Cs6O7H9PAhhT2i7SvMjuyfks=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)