INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b6311a7bad94611739b99f743793e785ab0926548a0af28d716792c1409b29e', 
    'KBQQvLCts9BN2tZR5jmQppd9o4D8IV9xdCgy3Jw5rjA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00093

Result

int(1)