INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4283d518414880b1d198f9cd1e7914f4e24e5b4fd91b51cfa9ae1d311732803e', 
    'xKnCehUw8KLTPTMGDdS+I7sgQXciEtKgaiocS7PdxeY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)