INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e6e6db796756cf8451b2abb7a7a90a5bef33324af0a41828754f2946fe4c838f', 
    'xzVRRsh4hfnseLH/9jf5xZYHCd0I9coA/DBdoEDJe2Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)