INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5e8f9822dbc507d2874434af6877d1d3b5020593dac23a6acfcc6039b6548521', 
    'mtCjnNDyXZpj6WkOm8TjYWHJqymvww325/XS2jvW/qM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)